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113888307 = 31329101997
BaseRepresentation
bin1101100100111…
…00110000110011
321221022010101110
412302130300303
5213123411212
615145004403
72552014611
oct662346063
9257263343
10113888307
1159317a75
1232183703
131a797140
14111a86b1
159ee9a3c
hex6c9cc33

113888307 has 32 divisors (see below), whose sum is σ = 171017280. Its totient is φ = 66931200.

The previous prime is 113888207. The next prime is 113888309. The reversal of 113888307 is 703888311.

It is not a de Polignac number, because 113888307 - 27 = 113888179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (113888309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113733 + ... + 114729.

It is an arithmetic number, because the mean of its divisors is an integer number (5344290).

Almost surely, 2113888307 is an apocalyptic number.

113888307 is a deficient number, since it is larger than the sum of its proper divisors (57128973).

113888307 is a wasteful number, since it uses less digits than its factorization.

113888307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 113888307 is about 10671.8464662869. The cubic root of 113888307 is about 484.7223507376.

The spelling of 113888307 in words is "one hundred thirteen million, eight hundred eighty-eight thousand, three hundred seven".

Divisors: 1 3 13 29 39 87 101 303 377 997 1131 1313 2929 2991 3939 8787 12961 28913 38077 38883 86739 100697 114231 302091 375869 1127607 1309061 2920213 3927183 8760639 37962769 113888307