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13057630 = 256719489
BaseRepresentation
bin110001110011…
…111001011110
3220120101200221
4301303321132
511320321010
61143511554
7215662615
oct61637136
926511627
1013057630
117409433
1244585ba
132922511
141a3c87c
15122ddda
hexc73e5e

13057630 has 16 divisors (see below), whose sum is σ = 23855760. Its totient is φ = 5144832.

The previous prime is 13057613. The next prime is 13057657. The reversal of 13057630 is 3675031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13057595 and 13057604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9075 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (1490985).

Almost surely, 213057630 is an apocalyptic number.

13057630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13057630 is a deficient number, since it is larger than the sum of its proper divisors (10798130).

13057630 is a wasteful number, since it uses less digits than its factorization.

13057630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19563.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 13057630 is about 3613.5342810052. The cubic root of 13057630 is about 235.4804115195.

The spelling of 13057630 in words is "thirteen million, fifty-seven thousand, six hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 19489 38978 97445 194890 1305763 2611526 6528815 13057630