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89159406 = 2372122843
BaseRepresentation
bin1010101000001…
…11011011101110
320012202202201020
411110013123232
5140311100111
612502555010
72131561650
oct524073356
9205682636
1089159406
1146367866
1225a38a66
131561945b
14bbac6d0
157c62906
hex55076ee

89159406 has 16 divisors (see below), whose sum is σ = 203793024. Its totient is φ = 25474104.

The previous prime is 89159401. The next prime is 89159437. The reversal of 89159406 is 60495198.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2122843 = 89159406 / (8 + 9 + 1 + 5 + 9 + 4 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89159401) 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, 1061380 + ... + 1061463.

It is an arithmetic number, because the mean of its divisors is an integer number (12737064).

Almost surely, 289159406 is an apocalyptic number.

89159406 is an abundant number, since it is smaller than the sum of its proper divisors (114633618).

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

89159406 is a wasteful number, since it uses less digits than its factorization.

89159406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122855.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 89159406 is about 9442.4258535611. The cubic root of 89159406 is about 446.7409075626.

The spelling of 89159406 in words is "eighty-nine million, one hundred fifty-nine thousand, four hundred six".

Divisors: 1 2 3 6 7 14 21 42 2122843 4245686 6368529 12737058 14859901 29719802 44579703 89159406