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13902039 = 321790863
BaseRepresentation
bin110101000010…
…000011010111
3222011022000100
4311002003113
512024331124
61213545143
7226110504
oct65020327
928138010
1013902039
117935898
1247a51b3
132b59978
141bbc4ab
1513491c9
hexd420d7

13902039 has 12 divisors (see below), whose sum is σ = 21262176. Its totient is φ = 8722752.

The previous prime is 13902037. The next prime is 13902041. The reversal of 13902039 is 93020931.

It is an interprime number because it is at equal distance from previous prime (13902037) and next prime (13902041).

It is not a de Polignac number, because 13902039 - 21 = 13902037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13902037) 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 11 ways as a sum of consecutive naturals, for example, 45279 + ... + 45584.

It is an arithmetic number, because the mean of its divisors is an integer number (1771848).

Almost surely, 213902039 is an apocalyptic number.

13902039 is a deficient number, since it is larger than the sum of its proper divisors (7360137).

13902039 is a wasteful number, since it uses less digits than its factorization.

13902039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90886 (or 90883 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 13902039 is about 3728.5438176318. The cubic root of 13902039 is about 240.4507674230.

The spelling of 13902039 in words is "thirteen million, nine hundred two thousand, thirty-nine".

Divisors: 1 3 9 17 51 153 90863 272589 817767 1544671 4634013 13902039