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13796293 = 72281557
BaseRepresentation
bin110100101000…
…001111000101
3221221220221211
4310220033011
512012440133
61211411421
7225160300
oct64501705
927856854
1013796293
1178733a5
124753b71
132b207b4
141b91b37
151327bcd
hexd283c5

13796293 has 6 divisors (see below), whose sum is σ = 16048806. Its totient is φ = 11825352.

The previous prime is 13796291. The next prime is 13796303. The reversal of 13796293 is 39269731.

It can be written as a sum of positive squares in only one way, i.e., 11716929 + 2079364 = 3423^2 + 1442^2 .

It is not a de Polignac number, because 13796293 - 21 = 13796291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13796291) 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 5 ways as a sum of consecutive naturals, for example, 140730 + ... + 140827.

It is an arithmetic number, because the mean of its divisors is an integer number (2674801).

Almost surely, 213796293 is an apocalyptic number.

It is an amenable number.

13796293 is a deficient number, since it is larger than the sum of its proper divisors (2252513).

13796293 is an equidigital number, since it uses as much as digits as its factorization.

13796293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281571 (or 281564 counting only the distinct ones).

The product of its digits is 61236, while the sum is 40.

The square root of 13796293 is about 3714.3361452620. The cubic root of 13796293 is about 239.8395513230.

The spelling of 13796293 in words is "thirteen million, seven hundred ninety-six thousand, two hundred ninety-three".

Divisors: 1 7 49 281557 1970899 13796293