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89238057 = 3313972417
BaseRepresentation
bin1010101000110…
…10101000101001
320012220202121020
411110122220221
5140321104212
612504403053
72132340156
oct524325051
9205822536
1089238057
1146410967
1225a76489
13156461ac
14bbcd22d
157c7ad8c
hex551aa29

89238057 has 16 divisors (see below), whose sum is σ = 123182592. Its totient is φ = 57404160.

The previous prime is 89238011. The next prime is 89238073. The reversal of 89238057 is 75083298.

It is not a de Polignac number, because 89238057 - 28 = 89237801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89238077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35713 + ... + 38129.

It is an arithmetic number, because the mean of its divisors is an integer number (7698912).

Almost surely, 289238057 is an apocalyptic number.

It is an amenable number.

89238057 is a deficient number, since it is larger than the sum of its proper divisors (33944535).

89238057 is a wasteful number, since it uses less digits than its factorization.

89238057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 89238057 is about 9446.5897021094. The cubic root of 89238057 is about 446.8722314987.

The spelling of 89238057 in words is "eighty-nine million, two hundred thirty-eight thousand, fifty-seven".

Divisors: 1 3 31 93 397 1191 2417 7251 12307 36921 74927 224781 959549 2878647 29746019 89238057