Search a number
-
+
113691512 = 23111775997
BaseRepresentation
bin1101100011011…
…00101101111000
321220221010102202
412301230231320
5213101112022
615140445332
72550235064
oct661545570
9256833382
10113691512
11591a3130
12320a9848
131a7286ac
1411156aa4
159eab592
hex6c6cb78

113691512 has 32 divisors (see below), whose sum is σ = 246233520. Its totient is φ = 48637440.

The previous prime is 113691499. The next prime is 113691517. The reversal of 113691512 is 215196311.

It is a super-2 number, since 2×1136915122 = 25851519801692288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113691517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36503 + ... + 39494.

Almost surely, 2113691512 is an apocalyptic number.

It is an amenable number.

113691512 is an abundant number, since it is smaller than the sum of its proper divisors (132542008).

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

113691512 is a wasteful number, since it uses less digits than its factorization.

113691512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76031 (or 76027 counting only the distinct ones).

The product of its digits is 1620, while the sum is 29.

The square root of 113691512 is about 10662.6221915624. The cubic root of 113691512 is about 484.4429953633.

The spelling of 113691512 in words is "one hundred thirteen million, six hundred ninety-one thousand, five hundred twelve".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 748 1496 75997 151994 303988 607976 835967 1291949 1671934 2583898 3343868 5167796 6687736 10335592 14211439 28422878 56845756 113691512