Search a number
-
+
4442442444 = 22321137476451
BaseRepresentation
bin1000010001100101…
…00100101011001100
3102110121020110101100
410020302210223030
533044231124234
62012452543100
7215042065146
oct41062445314
912417213340
104442442444
11197a708840
12a3b921a90
1355a4a348b
14302005c96
151b001e399
hex108ca4acc

4442442444 has 144 divisors (see below), whose sum is σ = 12851145216. Its totient is φ = 1281744000.

The previous prime is 4442442413. The next prime is 4442442463.

4442442444 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4442442399 and 4442442408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 685419 + ... + 691869.

It is an arithmetic number, because the mean of its divisors is an integer number (89244064).

Almost surely, 24442442444 is an apocalyptic number.

4442442444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4442442444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6425572608).

4442442444 is an abundant number, since it is smaller than the sum of its proper divisors (8408702772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4442442444 is a wasteful number, since it uses less digits than its factorization.

4442442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556 (or 6551 counting only the distinct ones).

The product of its digits is 262144, while the sum is 36.

The square root of 4442442444 is about 66651.6499720750. The cubic root of 4442442444 is about 1643.8944779270.

It can be divided in two parts, 44424 and 42444, that added together give a palindrome (86868).

The spelling of 4442442444 in words is "four billion, four hundred forty-two million, four hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 37 44 47 66 74 94 99 111 132 141 148 188 198 222 282 333 396 407 423 444 517 564 666 814 846 1034 1221 1332 1551 1628 1692 1739 2068 2442 3102 3478 3663 4653 4884 5217 6204 6451 6956 7326 9306 10434 12902 14652 15651 18612 19129 19353 20868 25804 31302 38258 38706 57387 58059 62604 70961 76516 77412 114774 116118 141922 172161 212883 229548 232236 238687 283844 303197 344322 425766 477374 606394 638649 688644 716061 851532 909591 954748 1212788 1277298 1432122 1819182 2148183 2554596 2625557 2728773 2864244 3335167 3638364 4296366 5251114 5457546 6670334 7876671 8592732 10005501 10502228 10915092 11218289 13340668 15753342 20011002 22436578 23630013 30016503 31506684 33654867 40022004 44873156 47260026 60033006 67309734 94520052 100964601 120066012 123401179 134619468 201929202 246802358 370203537 403858404 493604716 740407074 1110610611 1480814148 2221221222 4442442444