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13074520 = 235326863
BaseRepresentation
bin110001111000…
…000001011000
3220121020212111
4301320001120
511321341040
61144122104
7216063064
oct61700130
926536774
1013074520
117420098
124466334
13292a104
141a44aa4
151233dea
hexc78058

13074520 has 16 divisors (see below), whose sum is σ = 29417760. Its totient is φ = 5229792.

The previous prime is 13074497. The next prime is 13074541. The reversal of 13074520 is 2547031.

It is a junction number, because it is equal to n+sod(n) for n = 13074491 and 13074500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163392 + ... + 163471.

It is an arithmetic number, because the mean of its divisors is an integer number (1838610).

Almost surely, 213074520 is an apocalyptic number.

13074520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13074520 is an abundant number, since it is smaller than the sum of its proper divisors (16343240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13074520 is a wasteful number, since it uses less digits than its factorization.

13074520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326874 (or 326870 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13074520 is about 3615.8705729050. The cubic root of 13074520 is about 235.5818988114.

The spelling of 13074520 in words is "thirteen million, seventy-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 326863 653726 1307452 1634315 2614904 3268630 6537260 13074520