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13886860 = 2251353411
BaseRepresentation
bin110100111110…
…010110001100
3222010112012011
4310332112030
512023334420
61213351004
7226015321
oct64762614
928115164
1013886860
117925449
124798464
132b52aa0
141bb6b48
15134495a
hexd3e58c

13886860 has 24 divisors (see below), whose sum is σ = 31406256. Its totient is φ = 5127360.

The previous prime is 13886843. The next prime is 13886861. The reversal of 13886860 is 6868831.

It is not an unprimeable number, because it can be changed into a prime (13886861) 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 7 ways as a sum of consecutive naturals, for example, 26446 + ... + 26965.

It is an arithmetic number, because the mean of its divisors is an integer number (1308594).

Almost surely, 213886860 is an apocalyptic number.

13886860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13886860 is an abundant number, since it is smaller than the sum of its proper divisors (17519396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13886860 is a wasteful number, since it uses less digits than its factorization.

13886860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53433 (or 53431 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 13886860 is about 3726.5077485496. The cubic root of 13886860 is about 240.3632231581.

The spelling of 13886860 in words is "thirteen million, eight hundred eighty-six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 53411 106822 213644 267055 534110 694343 1068220 1388686 2777372 3471715 6943430 13886860