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13769284 = 2211293049
BaseRepresentation
bin110100100001…
…101001000100
3221220112220111
4310201221010
512011104114
61211042404
7225015454
oct64415104
927815814
1013769284
117855081
124740404
132b11409
141b85d64
15131ebc4
hexd21a44

13769284 has 12 divisors (see below), whose sum is σ = 24125500. Its totient is φ = 6876288.

The previous prime is 13769267. The next prime is 13769297. The reversal of 13769284 is 48296731.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 12446784 = 1150^2 + 3528^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2992 + ... + 6040.

Almost surely, 213769284 is an apocalyptic number.

It is an amenable number.

13769284 is a deficient number, since it is larger than the sum of its proper divisors (10356216).

13769284 is a wasteful number, since it uses less digits than its factorization.

13769284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182 (or 4180 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 13769284 is about 3710.6985865198. The cubic root of 13769284 is about 239.6829377974.

The spelling of 13769284 in words is "thirteen million, seven hundred sixty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 1129 2258 3049 4516 6098 12196 3442321 6884642 13769284