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107235961 = 722188489
BaseRepresentation
bin1100110010001…
…00101001111001
321110210011002021
412121010221321
5204423022321
614350234441
72441330200
oct631045171
9243704067
10107235961
1155593a68
122bab5a21
13192a8241
1410356237
159633941
hex6644a79

107235961 has 6 divisors (see below), whose sum is σ = 124743930. Its totient is φ = 91916496.

The previous prime is 107235941. The next prime is 107235967. The reversal of 107235961 is 169532701.

It can be written as a sum of positive squares in only one way, i.e., 93315600 + 13920361 = 9660^2 + 3731^2 .

It is not a de Polignac number, because 107235961 - 225 = 73681529 is a prime.

It is a super-2 number, since 2×1072359612 = 22999102663187042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107235967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1094196 + ... + 1094293.

It is an arithmetic number, because the mean of its divisors is an integer number (20790655).

Almost surely, 2107235961 is an apocalyptic number.

It is an amenable number.

107235961 is a deficient number, since it is larger than the sum of its proper divisors (17507969).

107235961 is an equidigital number, since it uses as much as digits as its factorization.

107235961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188503 (or 2188496 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 107235961 is about 10355.4797571141. The cubic root of 107235961 is about 475.0946603587.

The spelling of 107235961 in words is "one hundred seven million, two hundred thirty-five thousand, nine hundred sixty-one".

Divisors: 1 7 49 2188489 15319423 107235961