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89390958 = 23130711399
BaseRepresentation
bin1010101001111…
…11111101101110
320020012112100020
411110333331232
5140341002313
612511543010
72133545016
oct524777556
9206175306
1089390958
1146505828
1225b2aa66
131569a977
14bc2cc46
157cab323
hex553ff6e

89390958 has 16 divisors (see below), whose sum is σ = 178934400. Its totient is φ = 29771576.

The previous prime is 89390957. The next prime is 89390971. The reversal of 89390958 is 85909398.

It is a self number, because there is not a number n which added to its sum of digits gives 89390958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89390957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143 + ... + 13541.

It is an arithmetic number, because the mean of its divisors is an integer number (11183400).

Almost surely, 289390958 is an apocalyptic number.

89390958 is an abundant number, since it is smaller than the sum of its proper divisors (89543442).

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

89390958 is a wasteful number, since it uses less digits than its factorization.

89390958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12711.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 89390958 is about 9454.6791590196. The cubic root of 89390958 is about 447.1273103532.

The spelling of 89390958 in words is "eighty-nine million, three hundred ninety thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 1307 2614 3921 7842 11399 22798 34197 68394 14898493 29796986 44695479 89390958