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107995231 = 432511517
BaseRepresentation
bin1100110111111…
…10000001011111
321112012201121101
412123332001133
5210121321411
614414413531
72450641621
oct633760137
9245181541
10107995231
1155a62463
12302012a7
13194b2a06
14104b2c11
1597338c1
hex66fe05f

107995231 has 4 divisors (see below), whose sum is σ = 110506792. Its totient is φ = 105483672.

The previous prime is 107995229. The next prime is 107995247. The reversal of 107995231 is 132599701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132599701 = 1310199977.

It is a cyclic number.

It is not a de Polignac number, because 107995231 - 21 = 107995229 is a prime.

It is a super-2 number, since 2×1079952312 = 23325939837486722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107995211) 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 3 ways as a sum of consecutive naturals, for example, 1255716 + ... + 1255801.

It is an arithmetic number, because the mean of its divisors is an integer number (27626698).

Almost surely, 2107995231 is an apocalyptic number.

107995231 is a deficient number, since it is larger than the sum of its proper divisors (2511561).

107995231 is an equidigital number, since it uses as much as digits as its factorization.

107995231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511560.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 107995231 is about 10392.0753942608. The cubic root of 107995231 is about 476.2133059358.

The spelling of 107995231 in words is "one hundred seven million, nine hundred ninety-five thousand, two hundred thirty-one".

Divisors: 1 43 2511517 107995231