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109312884 = 223219315733
BaseRepresentation
bin1101000001111…
…11101101110100
321121200200002100
412200333231310
5210441003014
614502542100
72465100312
oct640775564
9247620070
10109312884
115678242a
1230737930
13198546a5
14107370b2
1598e4009
hex683fb74

109312884 has 36 divisors (see below), whose sum is σ = 277768036. Its totient is φ = 36246528.

The previous prime is 109312867. The next prime is 109312891. The reversal of 109312884 is 488213901.

It can be written as a sum of positive squares in 2 ways, for example, as 18301284 + 91011600 = 4278^2 + 9540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919 + ... + 14814.

Almost surely, 2109312884 is an apocalyptic number.

It is an amenable number.

109312884 is an abundant number, since it is smaller than the sum of its proper divisors (168455152).

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

109312884 is a wasteful number, since it uses less digits than its factorization.

109312884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15936 (or 15931 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 109312884 is about 10455.2801971061. The cubic root of 109312884 is about 478.1422462573.

The spelling of 109312884 in words is "one hundred nine million, three hundred twelve thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 193 386 579 772 1158 1737 2316 3474 6948 15733 31466 47199 62932 94398 141597 188796 283194 566388 3036469 6072938 9109407 12145876 18218814 27328221 36437628 54656442 109312884