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13886539 = 103113469
BaseRepresentation
bin110100111110…
…010001001011
3222010111202021
4310332101023
512023332124
61213345311
7226014352
oct64762113
928114667
1013886539
117925187
124798237
132b528b4
141bb6999
1513447e4
hexd3e44b

13886539 has 4 divisors (see below), whose sum is σ = 13901040. Its totient is φ = 13872040.

The previous prime is 13886519. The next prime is 13886557. The reversal of 13886539 is 93568831.

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 13886539 - 223 = 5497931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13886495 and 13886504.

It is not an unprimeable number, because it can be changed into a prime (13886519) by changing a digit.

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, 5704 + ... + 7765.

It is an arithmetic number, because the mean of its divisors is an integer number (3475260).

Almost surely, 213886539 is an apocalyptic number.

13886539 is a deficient number, since it is larger than the sum of its proper divisors (14501).

13886539 is a wasteful number, since it uses less digits than its factorization.

13886539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14500.

The product of its digits is 155520, while the sum is 43.

The square root of 13886539 is about 3726.4646784855. The cubic root of 13886539 is about 240.3613711150.

The spelling of 13886539 in words is "thirteen million, eight hundred eighty-six thousand, five hundred thirty-nine".

Divisors: 1 1031 13469 13886539