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89583131 = 118143921
BaseRepresentation
bin1010101011011…
…10111000011011
320020120021221202
411111232320123
5140413130011
612520024415
72135305211
oct525567033
9206507852
1089583131
1146627150
122600210b
1315737291
14bc7ccb1
157ce823b
hex556ee1b

89583131 has 4 divisors (see below), whose sum is σ = 97727064. Its totient is φ = 81439200.

The previous prime is 89583127. The next prime is 89583139. The reversal of 89583131 is 13138598.

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 89583131 - 22 = 89583127 is a prime.

It is a super-2 number, since 2×895831312 = 16050274719526322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89583139) 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, 4071950 + ... + 4071971.

It is an arithmetic number, because the mean of its divisors is an integer number (24431766).

Almost surely, 289583131 is an apocalyptic number.

89583131 is a deficient number, since it is larger than the sum of its proper divisors (8143933).

89583131 is a wasteful number, since it uses less digits than its factorization.

89583131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143932.

The product of its digits is 25920, while the sum is 38.

The square root of 89583131 is about 9464.8365543204. The cubic root of 89583131 is about 447.4474929811.

The spelling of 89583131 in words is "eighty-nine million, five hundred eighty-three thousand, one hundred thirty-one".

Divisors: 1 11 8143921 89583131