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13076545 = 52615309
BaseRepresentation
bin110001111000…
…100001000001
3220121100122111
4301320201001
511321422140
61144135321
7216102016
oct61704101
926540574
1013076545
117421669
124467541
13292b001
141a4570d
1512347ea
hexc78841

13076545 has 4 divisors (see below), whose sum is σ = 15691860. Its totient is φ = 10461232.

The previous prime is 13076533. The next prime is 13076561. The reversal of 13076545 is 54567031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4822416 + 8254129 = 2196^2 + 2873^2 .

It is a cyclic number.

It is not a de Polignac number, because 13076545 - 29 = 13076033 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 1307650 + ... + 1307659.

It is an arithmetic number, because the mean of its divisors is an integer number (3922965).

Almost surely, 213076545 is an apocalyptic number.

It is an amenable number.

13076545 is a deficient number, since it is larger than the sum of its proper divisors (2615315).

13076545 is an equidigital number, since it uses as much as digits as its factorization.

13076545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615314.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 13076545 is about 3616.1505776170. The cubic root of 13076545 is about 235.5940606019.

The spelling of 13076545 in words is "thirteen million, seventy-six thousand, five hundred forty-five".

Divisors: 1 5 2615309 13076545