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13052155 = 523113497
BaseRepresentation
bin110001110010…
…100011111011
3220120010012011
4301302203323
511320132110
61143430351
7215640634
oct61624373
926503164
1013052155
117405306
1244553b7
13291cb8c
141a3a88b
15122c48a
hexc728fb

13052155 has 8 divisors (see below), whose sum is σ = 16343712. Its totient is φ = 9987648.

The previous prime is 13052153. The next prime is 13052159. The reversal of 13052155 is 55125031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13052155 - 21 = 13052153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13052153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56634 + ... + 56863.

It is an arithmetic number, because the mean of its divisors is an integer number (2042964).

Almost surely, 213052155 is an apocalyptic number.

13052155 is a deficient number, since it is larger than the sum of its proper divisors (3291557).

13052155 is a wasteful number, since it uses less digits than its factorization.

13052155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113525.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 13052155 is about 3612.7766330068. The cubic root of 13052155 is about 235.4474949926.

Adding to 13052155 its reverse (55125031), we get a palindrome (68177186).

The spelling of 13052155 in words is "thirteen million, fifty-two thousand, one hundred fifty-five".

Divisors: 1 5 23 115 113497 567485 2610431 13052155