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13613068 = 227486181
BaseRepresentation
bin110011111011…
…100000001100
3221121121121201
4303323200030
511441104233
61203435244
7223465150
oct63734014
927547551
1013613068
117758777
124685b24
132a88291
141b45060
1512dd77d
hexcfb80c

13613068 has 12 divisors (see below), whose sum is σ = 27226192. Its totient is φ = 5834160.

The previous prime is 13613059. The next prime is 13613071. The reversal of 13613068 is 86031631.

13613068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13613068 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 486181 = 13613068 / (1 + 3 + 6 + 1 + 3 + 0 + 6 + 8).

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, 243063 + ... + 243118.

Almost surely, 213613068 is an apocalyptic number.

It is an amenable number.

13613068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13613068 is a wasteful number, since it uses less digits than its factorization.

13613068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486192 (or 486190 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13613068 is about 3689.5891370178. The cubic root of 13613068 is about 238.7730670402.

Adding to 13613068 its reverse (86031631), we get a palindrome (99644699).

The spelling of 13613068 in words is "thirteen million, six hundred thirteen thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 486181 972362 1944724 3403267 6806534 13613068