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13015052 = 2247107647
BaseRepresentation
bin110001101001…
…100000001100
3220111020021222
4301221200030
511312440202
61142542512
7215424521
oct61514014
926436258
1013015052
11738a446
124437a38
13290901b
141a2b148
1512214a2
hexc6980c

13015052 has 24 divisors (see below), whose sum is σ = 23514624. Its totient is φ = 6299792.

The previous prime is 13015049. The next prime is 13015073. The reversal of 13015052 is 25051031.

It is a self number, because there is not a number n which added to its sum of digits gives 13015052.

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, 19793 + ... + 20439.

It is an arithmetic number, because the mean of its divisors is an integer number (979776).

Almost surely, 213015052 is an apocalyptic number.

It is an amenable number.

13015052 is a deficient number, since it is larger than the sum of its proper divisors (10499572).

13015052 is a wasteful number, since it uses less digits than its factorization.

13015052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 13015052 is about 3607.6380084482. The cubic root of 13015052 is about 235.2241832308.

Adding to 13015052 its reverse (25051031), we get a palindrome (38066083).

The spelling of 13015052 in words is "thirteen million, fifteen thousand, fifty-two".

Divisors: 1 2 4 47 94 107 188 214 428 647 1294 2588 5029 10058 20116 30409 60818 69229 121636 138458 276916 3253763 6507526 13015052