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113288580 = 22325629381
BaseRepresentation
bin1101100000010…
…10010110000100
321220011122201100
412300022112010
5213000213310
615124100100
72543636256
oct660122604
9256148640
10113288580
1158a48429
1231b34630
131a617182
141108dcd6
159e2bec0
hex6c0a584

113288580 has 36 divisors (see below), whose sum is σ = 343642572. Its totient is φ = 30210240.

The previous prime is 113288573. The next prime is 113288641. The reversal of 113288580 is 85882311.

It can be written as a sum of positive squares in 2 ways, for example, as 65512836 + 47775744 = 8094^2 + 6912^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314511 + ... + 314870.

It is an arithmetic number, because the mean of its divisors is an integer number (9545627).

Almost surely, 2113288580 is an apocalyptic number.

113288580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113288580 is an abundant number, since it is smaller than the sum of its proper divisors (230353992).

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

113288580 is a wasteful number, since it uses less digits than its factorization.

113288580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629396 (or 629391 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 113288580 is about 10643.7108190706. The cubic root of 113288580 is about 483.8700160928.

The spelling of 113288580 in words is "one hundred thirteen million, two hundred eighty-eight thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 629381 1258762 1888143 2517524 3146905 3776286 5664429 6293810 7552572 9440715 11328858 12587620 18881430 22657716 28322145 37762860 56644290 113288580