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88957431 = 329884159
BaseRepresentation
bin1010100110101…
…10000111110111
320012101111122200
411103112013313
5140233114211
612454355543
72130061053
oct523260767
9205344580
1088957431
114623a042
122595bbb3
1315578544
14bb58c63
157c22b56
hex54d61f7

88957431 has 6 divisors (see below), whose sum is σ = 128494080. Its totient is φ = 59304948.

The previous prime is 88957403. The next prime is 88957469. The reversal of 88957431 is 13475988.

It is not a de Polignac number, because 88957431 - 210 = 88956407 is a prime.

It is a super-2 number, since 2×889574312 = 15826849060239522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88957831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4942071 + ... + 4942088.

It is an arithmetic number, because the mean of its divisors is an integer number (21415680).

Almost surely, 288957431 is an apocalyptic number.

88957431 is a deficient number, since it is larger than the sum of its proper divisors (39536649).

88957431 is a wasteful number, since it uses less digits than its factorization.

88957431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884165 (or 9884162 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 88957431 is about 9431.7247097230. The cubic root of 88957431 is about 446.4033147854.

The spelling of 88957431 in words is "eighty-eight million, nine hundred fifty-seven thousand, four hundred thirty-one".

Divisors: 1 3 9 9884159 29652477 88957431