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88892431 = 194678549
BaseRepresentation
bin1010100110001…
…10010000001111
320012021012111021
411103012100033
5140224024211
612453135011
72126400415
oct523062017
9205235437
1088892431
11461a5221
122592a467
1315554a94
14bb3d2b5
157c0d771
hex54c640f

88892431 has 4 divisors (see below), whose sum is σ = 93571000. Its totient is φ = 84213864.

The previous prime is 88892429. The next prime is 88892513. The reversal of 88892431 is 13429888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88892431 - 21 = 88892429 is a prime.

It is a super-2 number, since 2×888924312 = 15803728578179522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88892411) 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, 2339256 + ... + 2339293.

It is an arithmetic number, because the mean of its divisors is an integer number (23392750).

Almost surely, 288892431 is an apocalyptic number.

88892431 is a deficient number, since it is larger than the sum of its proper divisors (4678569).

88892431 is a wasteful number, since it uses less digits than its factorization.

88892431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678568.

The product of its digits is 110592, while the sum is 43.

The square root of 88892431 is about 9428.2782627583. The cubic root of 88892431 is about 446.2945613241.

The spelling of 88892431 in words is "eighty-eight million, eight hundred ninety-two thousand, four hundred thirty-one".

Divisors: 1 19 4678549 88892431