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468536988 = 22339044749
BaseRepresentation
bin11011111011010…
…100111010011100
31012122122010220210
4123323110322130
51424421140423
6114254212420
714416333023
oct3373247234
91178563823
10468536988
11220527857
12110ab4110
13760ba22a
14463258ba
152b200b93
hex1bed4e9c

468536988 has 12 divisors (see below), whose sum is σ = 1093253000. Its totient is φ = 156178992.

The previous prime is 468536969. The next prime is 468536989. The reversal of 468536988 is 889635864.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4685369882 = 439053818248224288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468536989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19522363 + ... + 19522386.

Almost surely, 2468536988 is an apocalyptic number.

It is an amenable number.

468536988 is an abundant number, since it is smaller than the sum of its proper divisors (624716012).

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

468536988 is a wasteful number, since it uses less digits than its factorization.

468536988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39044756 (or 39044754 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The square root of 468536988 is about 21645.7152341982. The cubic root of 468536988 is about 776.6904414940.

The spelling of 468536988 in words is "four hundred sixty-eight million, five hundred thirty-six thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 39044749 78089498 117134247 156178996 234268494 468536988