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13568834 = 214945533
BaseRepresentation
bin110011110000…
…101101000010
3221112100221102
4303300231002
511433200314
61202454402
7223222166
oct63605502
927470842
1013568834
117728514
124664402
132a710c6
141b32ca6
1512d05de
hexcf0b42

13568834 has 8 divisors (see below), whose sum is σ = 20490300. Its totient is φ = 6738736.

The previous prime is 13568813. The next prime is 13568837. The reversal of 13568834 is 43886531.

It can be written as a sum of positive squares in 2 ways, for example, as 12924025 + 644809 = 3595^2 + 803^2 .

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

It is a super-2 number, since 2×135688342 = 368226512239112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13568837) 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, 22469 + ... + 23064.

Almost surely, 213568834 is an apocalyptic number.

13568834 is a deficient number, since it is larger than the sum of its proper divisors (6921466).

13568834 is a wasteful number, since it uses less digits than its factorization.

13568834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45684.

The product of its digits is 69120, while the sum is 38.

The square root of 13568834 is about 3683.5898251570. The cubic root of 13568834 is about 238.5141651185.

The spelling of 13568834 in words is "thirteen million, five hundred sixty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 149 298 45533 91066 6784417 13568834