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9957164 = 2271991787
BaseRepresentation
bin100101111110…
…111100101100
3200201212122212
4211332330230
510022112124
6553225552
7150430430
oct45767454
920655585
109957164
115690a68
1234022b8
1320a8219
1414729c0
15d1a40e
hex97ef2c

9957164 has 24 divisors (see below), whose sum is σ = 20025600. Its totient is φ = 4243536.

The previous prime is 9957161. The next prime is 9957187. The reversal of 9957164 is 4617599.

It is a super-2 number, since 2×99571642 = 198290229845792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9957161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (834400).

Almost surely, 29957164 is an apocalyptic number.

It is an amenable number.

9957164 is an abundant number, since it is smaller than the sum of its proper divisors (10068436).

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

9957164 is a wasteful number, since it uses less digits than its factorization.

9957164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1995 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 9957164 is about 3155.4974251297. The cubic root of 9957164 is about 215.1354041601.

The spelling of 9957164 in words is "nine million, nine hundred fifty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 199 398 796 1393 1787 2786 3574 5572 7148 12509 25018 50036 355613 711226 1422452 2489291 4978582 9957164