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113781888 = 2733114173
BaseRepresentation
bin1101100100000…
…10110010000000
321221002201102000
412302002302000
5213112010023
615142424000
72551062423
oct662026200
9257081360
10113781888
1159255020
1232132000
131a75a87c
141117b9ba
159ec8243
hex6c82c80

113781888 has 256 divisors, whose sum is σ = 380419200. Its totient is φ = 33177600.

The previous prime is 113781859. The next prime is 113781893. The reversal of 113781888 is 888187311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558620 + ... + 1558692.

Almost surely, 2113781888 is an apocalyptic number.

113781888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113781888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190209600).

113781888 is an abundant number, since it is smaller than the sum of its proper divisors (266637312).

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

113781888 is a wasteful number, since it uses less digits than its factorization.

113781888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 130 counting only the distinct ones).

The product of its digits is 86016, while the sum is 45.

The square root of 113781888 is about 10666.8593315933. The cubic root of 113781888 is about 484.5713263278.

The spelling of 113781888 in words is "one hundred thirteen million, seven hundred eighty-one thousand, eight hundred eighty-eight".