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113888331 = 3237714817
BaseRepresentation
bin1101100100111…
…00110001001011
321221022010102100
412302130301023
5213123411311
615145004443
72552014644
oct662346113
9257263370
10113888331
1159317a97
1232183723
131a79715b
14111a86cb
159ee9a56
hex6c9cc4b

113888331 has 24 divisors (see below), whose sum is σ = 171366624. Its totient is φ = 72817920.

The previous prime is 113888329. The next prime is 113888347. The reversal of 113888331 is 133888311.

It is not a de Polignac number, because 113888331 - 21 = 113888329 is a prime.

It is a super-3 number, since 3×1138883313 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (113888311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21235 + ... + 26051.

It is an arithmetic number, because the mean of its divisors is an integer number (7140276).

Almost surely, 2113888331 is an apocalyptic number.

113888331 is a deficient number, since it is larger than the sum of its proper divisors (57478293).

113888331 is a wasteful number, since it uses less digits than its factorization.

113888331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931 (or 4928 counting only the distinct ones).

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

The square root of 113888331 is about 10671.8475907408. The cubic root of 113888331 is about 484.7223847865.

The spelling of 113888331 in words is "one hundred thirteen million, eight hundred eighty-eight thousand, three hundred thirty-one".

Divisors: 1 3 9 37 71 111 213 333 639 2627 4817 7881 14451 23643 43353 178229 342007 534687 1026021 1604061 3078063 12654259 37962777 113888331