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13860539 = 711180007
BaseRepresentation
bin110100110111…
…111010111011
3222002012002022
4310313322323
512022014124
61213025055
7225545510
oct64677273
928065068
1013860539
1179076a0
12478518b
132b43b04
141bab307
15133bc5e
hexd37ebb

13860539 has 8 divisors (see below), whose sum is σ = 17280768. Its totient is φ = 10800360.

The previous prime is 13860493. The next prime is 13860541. The reversal of 13860539 is 93506831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13860539 is a prime.

It is a super-2 number, since 2×138605392 = 384229082741042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13860499 and 13860508.

It is not an unprimeable number, because it can be changed into a prime (13860569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89927 + ... + 90080.

It is an arithmetic number, because the mean of its divisors is an integer number (2160096).

Almost surely, 213860539 is an apocalyptic number.

13860539 is a deficient number, since it is larger than the sum of its proper divisors (3420229).

13860539 is a wasteful number, since it uses less digits than its factorization.

13860539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180025.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13860539 is about 3722.9744828564. The cubic root of 13860539 is about 240.2112665186.

The spelling of 13860539 in words is "thirteen million, eight hundred sixty thousand, five hundred thirty-nine".

Divisors: 1 7 11 77 180007 1260049 1980077 13860539