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89728672 = 2511254911
BaseRepresentation
bin1010101100100…
…10011010100000
320020211200121011
411112102122200
5140432304142
612523110304
72136452425
oct526223240
9206750534
1089728672
1146716530
1226072394
13157885b7
14bcb9d4c
157d26417
hex55926a0

89728672 has 24 divisors (see below), whose sum is σ = 192713472. Its totient is φ = 40785600.

The previous prime is 89728631. The next prime is 89728679. The reversal of 89728672 is 27682798.

It is not an unprimeable number, because it can be changed into a prime (89728679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127104 + ... + 127807.

It is an arithmetic number, because the mean of its divisors is an integer number (8029728).

Almost surely, 289728672 is an apocalyptic number.

It is an amenable number.

89728672 is an abundant number, since it is smaller than the sum of its proper divisors (102984800).

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

89728672 is a wasteful number, since it uses less digits than its factorization.

89728672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254932 (or 254924 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 89728672 is about 9472.5219450788. The cubic root of 89728672 is about 447.6896766746.

The spelling of 89728672 in words is "eighty-nine million, seven hundred twenty-eight thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 254911 509822 1019644 2039288 2804021 4078576 5608042 8157152 11216084 22432168 44864336 89728672