Search a number
-
+
444424120 = 235721971151
BaseRepresentation
bin11010011111010…
…101111110111000
31010222021002021121
4122133111332320
51402233032440
6112033315024
714004354100
oct3237257670
91128232247
10444424120
11208958468
12104a05a74
13710c6a6a
144304a200
152903b34a
hex1a7d5fb8

444424120 has 96 divisors (see below), whose sum is σ = 1170132480. Its totient is φ = 151468800.

The previous prime is 444424111. The next prime is 444424121. The reversal of 444424120 is 21424444.

It is a super-3 number, since 3×4444241203 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444424121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385545 + ... + 386695.

It is an arithmetic number, because the mean of its divisors is an integer number (12188880).

Almost surely, 2444424120 is an apocalyptic number.

444424120 is a gapful number since it is divisible by the number (40) 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 444424120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585066240).

444424120 is an abundant number, since it is smaller than the sum of its proper divisors (725708360).

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

444424120 is a wasteful number, since it uses less digits than its factorization.

444424120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 444424120 is about 21081.3690257535. The cubic root of 444424120 is about 763.1311953510.

Adding to 444424120 its reverse (21424444), we get a palindrome (465848564).

The spelling of 444424120 in words is "four hundred forty-four million, four hundred twenty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 197 245 280 392 394 490 788 980 985 1151 1379 1576 1960 1970 2302 2758 3940 4604 5516 5755 6895 7880 8057 9208 9653 11032 11510 13790 16114 19306 23020 27580 32228 38612 40285 46040 48265 55160 56399 64456 77224 80570 96530 112798 161140 193060 225596 226747 281995 322280 386120 451192 453494 563990 906988 1127980 1133735 1587229 1813976 2255960 2267470 3174458 4534940 6348916 7936145 9069880 11110603 12697832 15872290 22221206 31744580 44442412 55553015 63489160 88884824 111106030 222212060 444424120