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107975231 = 7131186541
BaseRepresentation
bin1100110111110…
…01001000111111
321112011201011122
412123321020333
5210120201411
614414141155
72450526410
oct633711077
9245151148
10107975231
1155a49431
12301b17bb
13194a6890
14104a9807
15972c9db
hex66f923f

107975231 has 8 divisors (see below), whose sum is σ = 132892704. Its totient is φ = 85430880.

The previous prime is 107975183. The next prime is 107975237. The reversal of 107975231 is 132579701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107975231 - 222 = 103780927 is a prime.

It is a super-2 number, since 2×1079752312 = 23317301019006722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107975191 and 107975200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107975237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593180 + ... + 593361.

It is an arithmetic number, because the mean of its divisors is an integer number (16611588).

Almost surely, 2107975231 is an apocalyptic number.

107975231 is a deficient number, since it is larger than the sum of its proper divisors (24917473).

107975231 is a wasteful number, since it uses less digits than its factorization.

107975231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186561.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 107975231 is about 10391.1130780105. The cubic root of 107975231 is about 476.1839069397.

The spelling of 107975231 in words is "one hundred seven million, nine hundred seventy-five thousand, two hundred thirty-one".

Divisors: 1 7 13 91 1186541 8305787 15425033 107975231