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13769307 = 323474409
BaseRepresentation
bin110100100001…
…101001011011
3221220112221100
4310201221123
512011104212
61211042443
7225015516
oct64415133
927815840
1013769307
1178550a2
124740423
132b11426
141b85d7d
15131ebdc
hexd21a5b

13769307 has 12 divisors (see below), whose sum is σ = 19950840. Its totient is φ = 9151008.

The previous prime is 13769299. The next prime is 13769311. The reversal of 13769307 is 70396731.

13769307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13769307 - 23 = 13769299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12769307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (1662570).

Almost surely, 213769307 is an apocalyptic number.

13769307 is a deficient number, since it is larger than the sum of its proper divisors (6181533).

13769307 is a wasteful number, since it uses less digits than its factorization.

13769307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762 (or 4759 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 13769307 is about 3710.7016856654. The cubic root of 13769307 is about 239.6830712516.

The spelling of 13769307 in words is "thirteen million, seven hundred sixty-nine thousand, three hundred seven".

Divisors: 1 3 9 347 1041 3123 4409 13227 39681 1529923 4589769 13769307