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13400395 = 52680079
BaseRepresentation
bin110011000111…
…100101001011
3221012210212221
4303013211023
511412303040
61155114511
7221621131
oct63074513
927183787
1013400395
117622a08
1245a2a37
132a12538
141acb751
15129a74a
hexcc794b

13400395 has 4 divisors (see below), whose sum is σ = 16080480. Its totient is φ = 10720312.

The previous prime is 13400389. The next prime is 13400417. The reversal of 13400395 is 59300431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13400395 - 25 = 13400363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340035 + ... + 1340044.

It is an arithmetic number, because the mean of its divisors is an integer number (4020120).

Almost surely, 213400395 is an apocalyptic number.

13400395 is a deficient number, since it is larger than the sum of its proper divisors (2680085).

13400395 is an equidigital number, since it uses as much as digits as its factorization.

13400395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680084.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13400395 is about 3660.6549960355. The cubic root of 13400395 is about 237.5231076316.

The spelling of 13400395 in words is "thirteen million, four hundred thousand, three hundred ninety-five".

Divisors: 1 5 2680079 13400395