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13863090 = 235462103
BaseRepresentation
bin110100111000…
…100010110010
3222002022120210
4310320202302
512022104330
61213044550
7225556113
oct64704262
928068523
1013863090
1179095aa
124786756
132b45017
141bac20a
15133c8b0
hexd388b2

13863090 has 16 divisors (see below), whose sum is σ = 33271488. Its totient is φ = 3696816.

The previous prime is 13863029. The next prime is 13863097. The reversal of 13863090 is 9036831.

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: 462103 = 13863090 / (1 + 3 + 8 + 6 + 3 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (13863097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231022 + ... + 231081.

It is an arithmetic number, because the mean of its divisors is an integer number (2079468).

Almost surely, 213863090 is an apocalyptic number.

13863090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13863090 is an abundant number, since it is smaller than the sum of its proper divisors (19408398).

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

13863090 is a wasteful number, since it uses less digits than its factorization.

13863090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462113.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13863090 is about 3723.3170694960. The cubic root of 13863090 is about 240.2260023898.

The spelling of 13863090 in words is "thirteen million, eight hundred sixty-three thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 462103 924206 1386309 2310515 2772618 4621030 6931545 13863090