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105957538 = 252978769
BaseRepresentation
bin1100101000011…
…00100010100010
321101101012102021
412110030202202
5204111120123
614303012054
72424424051
oct624144242
9241335367
10105957538
11548a0515
122b59a02a
1318c4b38b
1410102398
15947ec5d
hex650c8a2

105957538 has 4 divisors (see below), whose sum is σ = 158936310. Its totient is φ = 52978768.

The previous prime is 105957521. The next prime is 105957557. The reversal of 105957538 is 835759501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835759501 = 941888161.

It can be written as a sum of positive squares in only one way, i.e., 76440049 + 29517489 = 8743^2 + 5433^2 .

It is a super-2 number, since 2×1059575382 = 22453999718042888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105957494 and 105957503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26489383 + ... + 26489386.

Almost surely, 2105957538 is an apocalyptic number.

105957538 is a deficient number, since it is larger than the sum of its proper divisors (52978772).

105957538 is an equidigital number, since it uses as much as digits as its factorization.

105957538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52978771.

The product of its (nonzero) digits is 189000, while the sum is 43.

The square root of 105957538 is about 10293.5677974160. The cubic root of 105957538 is about 473.1991467585.

The spelling of 105957538 in words is "one hundred five million, nine hundred fifty-seven thousand, five hundred thirty-eight".

Divisors: 1 2 52978769 105957538