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13890210 = 2351932399
BaseRepresentation
bin110100111111…
…001010100010
3222010200210020
4310333022202
512023441320
61213414310
7226031145
oct64771242
928120706
1013890210
117927a14
12479a396
132b54479
141bb805c
151345940
hexd3f2a2

13890210 has 32 divisors (see below), whose sum is σ = 33523200. Its totient is φ = 3683328.

The previous prime is 13890209. The next prime is 13890223. The reversal of 13890210 is 1209831.

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 15 ways as a sum of consecutive naturals, for example, 4591 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (1047600).

Almost surely, 213890210 is an apocalyptic number.

13890210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13890210 is an abundant number, since it is smaller than the sum of its proper divisors (19632990).

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

13890210 is a wasteful number, since it uses less digits than its factorization.

13890210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 13890210 is about 3726.9572039400. The cubic root of 13890210 is about 240.3825496307.

The spelling of 13890210 in words is "thirteen million, eight hundred ninety thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 193 386 579 965 1158 1930 2399 2895 4798 5790 7197 11995 14394 23990 35985 71970 463007 926014 1389021 2315035 2778042 4630070 6945105 13890210