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88768231 = 571155461
BaseRepresentation
bin1010100101001…
…11111011100111
320012000220010021
411102213323213
5140211040411
612450340011
72125342336
oct522477347
9205026107
1088768231
114611a982
122588a607
13155103a6
14bb09d1d
157bd6a71
hex54a7ee7

88768231 has 4 divisors (see below), whose sum is σ = 88924264. Its totient is φ = 88612200.

The previous prime is 88768213. The next prime is 88768261. The reversal of 88768231 is 13286788.

It is a happy number.

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 88768231 - 27 = 88768103 is a prime.

It is a super-2 number, since 2×887682312 = 15759597669738722, 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 (88768261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77160 + ... + 78301.

It is an arithmetic number, because the mean of its divisors is an integer number (22231066).

Almost surely, 288768231 is an apocalyptic number.

88768231 is a deficient number, since it is larger than the sum of its proper divisors (156033).

88768231 is a wasteful number, since it uses less digits than its factorization.

88768231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156032.

The product of its digits is 129024, while the sum is 43.

The square root of 88768231 is about 9421.6893920358. The cubic root of 88768231 is about 446.0866110358.

The spelling of 88768231 in words is "eighty-eight million, seven hundred sixty-eight thousand, two hundred thirty-one".

Divisors: 1 571 155461 88768231