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13891202 = 213796763
BaseRepresentation
bin110100111111…
…011010000010
3222010202010222
4310333122002
512024004302
61213423042
7226034063
oct64773202
928122128
1013891202
117928736
12479aa82
132b54a60
141bb856a
151345da2
hexd3f682

13891202 has 16 divisors (see below), whose sum is σ = 22727040. Its totient is φ = 6329232.

The previous prime is 13891187. The next prime is 13891211. The reversal of 13891202 is 20219831.

13891202 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 1328 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (1420440).

Almost surely, 213891202 is an apocalyptic number.

13891202 is a deficient number, since it is larger than the sum of its proper divisors (8835838).

13891202 is a wasteful number, since it uses less digits than its factorization.

13891202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6857.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13891202 is about 3727.0902860006. The cubic root of 13891202 is about 240.3882719779.

The spelling of 13891202 in words is "thirteen million, eight hundred ninety-one thousand, two hundred two".

Divisors: 1 2 13 26 79 158 1027 2054 6763 13526 87919 175838 534277 1068554 6945601 13891202