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13864929 = 3132232941
BaseRepresentation
bin110100111000…
…111111100001
3222002102002220
4310320333201
512022134204
61213101253
7225564351
oct64707741
928072086
1013864929
11790aa21
124787829
132b45b00
141bacb61
15133d1d9
hexd38fe1

13864929 has 48 divisors (see below), whose sum is σ = 22135680. Its totient is φ = 7687680.

The previous prime is 13864919. The next prime is 13864969. The reversal of 13864929 is 92946831.

It is not a de Polignac number, because 13864929 - 27 = 13864801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 338149 + ... + 338189.

It is an arithmetic number, because the mean of its divisors is an integer number (461160).

Almost surely, 213864929 is an apocalyptic number.

It is an amenable number.

13864929 is a deficient number, since it is larger than the sum of its proper divisors (8270751).

13864929 is a wasteful number, since it uses less digits than its factorization.

13864929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 109 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 13864929 is about 3723.5640185177. The cubic root of 13864929 is about 240.2366242662.

The spelling of 13864929 in words is "thirteen million, eight hundred sixty-four thousand, nine hundred twenty-nine".

Divisors: 1 3 13 23 29 39 41 69 87 123 169 299 377 507 533 667 897 943 1131 1189 1599 2001 2829 3567 3887 4901 6929 8671 11661 12259 14703 15457 20787 26013 27347 36777 46371 82041 112723 159367 200941 338169 355511 478101 602823 1066533 4621643 13864929