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13125034 = 2131812789
BaseRepresentation
bin110010000100…
…010110101010
3220200211011101
4302010112222
511330000114
61145152014
7216363256
oct62042652
926624141
1013125034
11745503a
12448b60a
1329470c0
141a59266
151243d74
hexc845aa

13125034 has 16 divisors (see below), whose sum is σ = 21326760. Its totient is φ = 6022080.

The previous prime is 13125001. The next prime is 13125053. The reversal of 13125034 is 43052131.

It can be written as a sum of positive squares in 4 ways, for example, as 5546025 + 7579009 = 2355^2 + 2753^2 .

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, 3312 + ... + 6100.

Almost surely, 213125034 is an apocalyptic number.

13125034 is a deficient number, since it is larger than the sum of its proper divisors (8201726).

13125034 is a wasteful number, since it uses less digits than its factorization.

13125034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13125034 is about 3622.8488789901. The cubic root of 13125034 is about 235.8849027002.

Adding to 13125034 its reverse (43052131), we get a palindrome (56177165).

The spelling of 13125034 in words is "thirteen million, one hundred twenty-five thousand, thirty-four".

Divisors: 1 2 13 26 181 362 2353 2789 4706 5578 36257 72514 504809 1009618 6562517 13125034