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89408892 = 22315114931
BaseRepresentation
bin1010101010001…
…00010101111100
320020020102221110
411111010111330
5140342041032
612512202020
72133651216
oct525042574
9206212843
1089408892
1146518251
1225b39310
13156a5b91
14bc355b6
157cb17cc
hex554457c

89408892 has 24 divisors (see below), whose sum is σ = 208801152. Its totient is φ = 29777200.

The previous prime is 89408881. The next prime is 89408903. The reversal of 89408892 is 29880498.

It is an interprime number because it is at equal distance from previous prime (89408881) and next prime (89408903).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15667 + ... + 20597.

It is an arithmetic number, because the mean of its divisors is an integer number (8700048).

Almost surely, 289408892 is an apocalyptic number.

It is an amenable number.

89408892 is an abundant number, since it is smaller than the sum of its proper divisors (119392260).

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

89408892 is a wasteful number, since it uses less digits than its factorization.

89408892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 89408892 is about 9455.6275307353. The cubic root of 89408892 is about 447.1572098911.

The spelling of 89408892 in words is "eighty-nine million, four hundred eight thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 1511 3022 4533 4931 6044 9066 9862 14793 18132 19724 29586 59172 7450741 14901482 22352223 29802964 44704446 89408892