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107054431 = 113727109
BaseRepresentation
bin1100110000110…
…00010101011111
321110102221001221
412120120111133
5204401220211
614342314211
72436643021
oct630302537
9243387057
10107054431
115547a640
122ba28967
1319243723
141030a011
1595e9c71
hex661855f

107054431 has 12 divisors (see below), whose sum is σ = 120045240. Its totient is φ = 94678560.

The previous prime is 107054429. The next prime is 107054447. The reversal of 107054431 is 134450701.

It is not a de Polignac number, because 107054431 - 21 = 107054429 is a prime.

It is a super-2 number, since 2×1070544312 = 22921302393467522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107054396 and 107054405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107054471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11505 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (10003770).

Almost surely, 2107054431 is an apocalyptic number.

107054431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

107054431 is a deficient number, since it is larger than the sum of its proper divisors (12990809).

107054431 is an equidigital number, since it uses as much as digits as its factorization.

107054431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194 (or 7157 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 107054431 is about 10346.7111199646. The cubic root of 107054431 is about 474.8264274403.

The spelling of 107054431 in words is "one hundred seven million, fifty-four thousand, four hundred thirty-one".

Divisors: 1 11 37 407 1369 7109 15059 78199 263033 2893363 9732221 107054431