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89518072 = 2374213797
BaseRepresentation
bin1010101010111…
…10111111111000
320020102222201011
411111132333320
5140404034242
612514403304
72134614430
oct525367770
9206388634
1089518072
1146592286
1225b90534
1315713797
14bc632c0
157cd3d17
hex555eff8

89518072 has 32 divisors (see below), whose sum is σ = 192330720. Its totient is φ = 38263680.

The previous prime is 89518067. The next prime is 89518081. The reversal of 89518072 is 27081598.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21678 + ... + 25474.

It is an arithmetic number, because the mean of its divisors is an integer number (6010335).

Almost surely, 289518072 is an apocalyptic number.

It is an amenable number.

89518072 is an abundant number, since it is smaller than the sum of its proper divisors (102812648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89518072 is a wasteful number, since it uses less digits than its factorization.

89518072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 89518072 is about 9461.3990508804. The cubic root of 89518072 is about 447.3391484150.

The spelling of 89518072 in words is "eighty-nine million, five hundred eighteen thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 421 842 1684 2947 3368 3797 5894 7594 11788 15188 23576 26579 30376 53158 106316 212632 1598537 3197074 6394148 11189759 12788296 22379518 44759036 89518072