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442024002 = 232724710663
BaseRepresentation
bin11010010110001…
…100000001000010
31010210202010221100
4122112030001002
51401124232002
6111510035230
713645066500
oct3226140102
91123663840
10442024002
112075691a2
12104048b16
1370766484
14429c3670
1528c1511c
hex1a58c042

442024002 has 72 divisors (see below), whose sum is σ = 1137891456. Its totient is φ = 123593904.

The previous prime is 442023983. The next prime is 442024007. The reversal of 442024002 is 200420244.

442024002 is a `hidden beast` number, since 4 + 420 + 240 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (442024007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36123 + ... + 46785.

It is an arithmetic number, because the mean of its divisors is an integer number (15804048).

Almost surely, 2442024002 is an apocalyptic number.

442024002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 442024002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568945728).

442024002 is an abundant number, since it is smaller than the sum of its proper divisors (695867454).

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

442024002 is a wasteful number, since it uses less digits than its factorization.

442024002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732 (or 10722 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 442024002 is about 21024.3668632375. The cubic root of 442024002 is about 761.7549483790.

Adding to 442024002 its reverse (200420244), we get a palindrome (642444246).

The spelling of 442024002 in words is "four hundred forty-two million, twenty-four thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 42 47 49 63 94 98 126 141 147 282 294 329 423 441 658 846 882 987 1974 2303 2961 4606 5922 6909 10663 13818 20727 21326 31989 41454 63978 74641 95967 149282 191934 223923 447846 501161 522487 671769 1002322 1044974 1343538 1503483 1567461 3006966 3134922 3508127 4510449 4702383 7016254 9020898 9404766 10524381 21048762 24556889 31573143 49113778 63146286 73670667 147341334 221012001 442024002