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89121702 = 23103114407
BaseRepresentation
bin1010100111111…
…10001110100110
320012200211222210
411103332032212
5140303343302
612502104250
72131344015
oct523761646
9205624883
1089121702
11463414aa
1225a1b086
1315605247
14bb9ca7c
157c5666c
hex54fe3a6

89121702 has 16 divisors (see below), whose sum is σ = 178428672. Its totient is φ = 29676360.

The previous prime is 89121661. The next prime is 89121707. The reversal of 89121702 is 20712198.

It is a self number, because there is not a number n which added to its sum of digits gives 89121702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89121707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018 + ... + 13389.

It is an arithmetic number, because the mean of its divisors is an integer number (11151792).

Almost surely, 289121702 is an apocalyptic number.

89121702 is an abundant number, since it is smaller than the sum of its proper divisors (89306970).

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

89121702 is a wasteful number, since it uses less digits than its factorization.

89121702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15443.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 89121702 is about 9440.4291216025. The cubic root of 89121702 is about 446.6779256339.

The spelling of 89121702 in words is "eighty-nine million, one hundred twenty-one thousand, seven hundred two".

Divisors: 1 2 3 6 1031 2062 3093 6186 14407 28814 43221 86442 14853617 29707234 44560851 89121702