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89132131 = 118102921
BaseRepresentation
bin1010101000000…
…00110001100011
320012201101022001
411110000301203
5140304212011
612502224431
72131416304
oct524006143
9205641261
1089132131
1146349320
1225a25117
1315609c0a
14bba27ab
157c597c1
hex5500c63

89132131 has 4 divisors (see below), whose sum is σ = 97235064. Its totient is φ = 81029200.

The previous prime is 89132111. The next prime is 89132179. The reversal of 89132131 is 13123198.

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 89132131 - 29 = 89131619 is a prime.

It is a super-2 number, since 2×891321312 = 15889073553202322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89132131.

It is not an unprimeable number, because it can be changed into a prime (89132111) 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, 4051450 + ... + 4051471.

It is an arithmetic number, because the mean of its divisors is an integer number (24308766).

Almost surely, 289132131 is an apocalyptic number.

89132131 is a deficient number, since it is larger than the sum of its proper divisors (8102933).

89132131 is a wasteful number, since it uses less digits than its factorization.

89132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102932.

The product of its digits is 1296, while the sum is 28.

The square root of 89132131 is about 9440.9814638098. The cubic root of 89132131 is about 446.6953483352.

The spelling of 89132131 in words is "eighty-nine million, one hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 11 8102921 89132131