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89839044 = 223630809
BaseRepresentation
bin1010101101011…
…01010111000100
320021001022000000
411112231113010
5140444322134
612525321300
72140422261
oct526552704
9207038000
1089839044
1146791449
1226106230
13157c68c9
14bd08268
157d48e99
hex55ad5c4

89839044 has 42 divisors (see below), whose sum is σ = 235727310. Its totient is φ = 29945376.

The previous prime is 89838979. The next prime is 89839051. The reversal of 89839044 is 44093898.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86266944 + 3572100 = 9288^2 + 1890^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 12489 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (5612555).

Almost surely, 289839044 is an apocalyptic number.

It is an amenable number.

89839044 is an abundant number, since it is smaller than the sum of its proper divisors (145888266).

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

89839044 is a wasteful number, since it uses less digits than its factorization.

89839044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30831 (or 30814 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 89839044 is about 9478.3460582530. The cubic root of 89839044 is about 447.8731637644.

The spelling of 89839044 in words is "eighty-nine million, eight hundred thirty-nine thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2916 30809 61618 92427 123236 184854 277281 369708 554562 831843 1109124 1663686 2495529 3327372 4991058 7486587 9982116 14973174 22459761 29946348 44919522 89839044