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13796491 = 29347087
BaseRepresentation
bin110100101000…
…010010001011
3221221221020011
4310220102023
512012441431
61211412351
7225161002
oct64502213
927857204
1013796491
117873565
1247540b7
132b20907
141b91c39
151327cb1
hexd2848b

13796491 has 4 divisors (see below), whose sum is σ = 13843872. Its totient is φ = 13749112.

The previous prime is 13796479. The next prime is 13796551. The reversal of 13796491 is 19469731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19469731 = 67290593.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13796491 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13796441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23251 + ... + 23836.

It is an arithmetic number, because the mean of its divisors is an integer number (3460968).

Almost surely, 213796491 is an apocalyptic number.

13796491 is a deficient number, since it is larger than the sum of its proper divisors (47381).

13796491 is an equidigital number, since it uses as much as digits as its factorization.

13796491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47380.

The product of its digits is 40824, while the sum is 40.

The square root of 13796491 is about 3714.3627986507. The cubic root of 13796491 is about 239.8406986844.

The spelling of 13796491 in words is "thirteen million, seven hundred ninety-six thousand, four hundred ninety-one".

Divisors: 1 293 47087 13796491