Search a number
-
+
13568801 = 82316487
BaseRepresentation
bin110011110000…
…101100100001
3221112100220012
4303300230201
511433200201
61202454305
7223222121
oct63605441
927470805
1013568801
117728494
124664395
132a7109c
141b32c81
1512d05bb
hexcf0b21

13568801 has 4 divisors (see below), whose sum is σ = 13586112. Its totient is φ = 13551492.

The previous prime is 13568791. The next prime is 13568813. The reversal of 13568801 is 10886531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13568801 - 210 = 13567777 is a prime.

It is a super-2 number, since 2×135688012 = 368224721155202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13568861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7421 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (3396528).

Almost surely, 213568801 is an apocalyptic number.

It is an amenable number.

13568801 is a deficient number, since it is larger than the sum of its proper divisors (17311).

13568801 is an equidigital number, since it uses as much as digits as its factorization.

13568801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17310.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 13568801 is about 3683.5853458282. The cubic root of 13568801 is about 238.5139717593.

The spelling of 13568801 in words is "thirteen million, five hundred sixty-eight thousand, eight hundred one".

Divisors: 1 823 16487 13568801