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13886130 = 235462871
BaseRepresentation
bin110100111110…
…001010110010
3222010111012010
4310332022302
512023324010
61213343350
7226013226
oct64761262
928114163
1013886130
117924945
124797b56
132b5265b
141bb6786
151344620
hexd3e2b2

13886130 has 16 divisors (see below), whose sum is σ = 33326784. Its totient is φ = 3702960.

The previous prime is 13886129. The next prime is 13886141. The reversal of 13886130 is 3168831.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 462871 = 13886130 / (1 + 3 + 8 + 8 + 6 + 1 + 3 + 0).

It is an unprimeable number.

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, 231406 + ... + 231465.

It is an arithmetic number, because the mean of its divisors is an integer number (2082924).

Almost surely, 213886130 is an apocalyptic number.

13886130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13886130 is an abundant number, since it is smaller than the sum of its proper divisors (19440654).

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

13886130 is a wasteful number, since it uses less digits than its factorization.

13886130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462881.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13886130 is about 3726.4098003306. The cubic root of 13886130 is about 240.3590113053.

It can be divided in two parts, 138 and 86130, that added together give a palindrome (86268).

The spelling of 13886130 in words is "thirteen million, eight hundred eighty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 462871 925742 1388613 2314355 2777226 4628710 6943065 13886130