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13360385 = 517157181
BaseRepresentation
bin110010111101…
…110100000001
3221010210000002
4302331310001
511410013020
61154205345
7221363363
oct62756401
927123002
1013360385
1175a5945
124583855
1329ca26c
141abad33
15128d975
hexcbdd01

13360385 has 8 divisors (see below), whose sum is σ = 16975656. Its totient is φ = 10059520.

The previous prime is 13360379. The next prime is 13360393. The reversal of 13360385 is 58306331.

13360385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6558721 + 6801664 = 2561^2 + 2608^2 .

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

It is not a de Polignac number, because 13360385 - 210 = 13359361 is a prime.

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, 78506 + ... + 78675.

It is an arithmetic number, because the mean of its divisors is an integer number (2121957).

Almost surely, 213360385 is an apocalyptic number.

It is an amenable number.

13360385 is a deficient number, since it is larger than the sum of its proper divisors (3615271).

13360385 is a wasteful number, since it uses less digits than its factorization.

13360385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157203.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13360385 is about 3655.1860417768. The cubic root of 13360385 is about 237.2864784536.

The spelling of 13360385 in words is "thirteen million, three hundred sixty thousand, three hundred eighty-five".

Divisors: 1 5 17 85 157181 785905 2672077 13360385