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13349028 = 22371114447
BaseRepresentation
bin110010111011…
…000010100100
3221010012102110
4302323002210
511404132103
61154041020
7221315310
oct62730244
927105373
1013349028
117598360
124579170
1329c5044
141ab6b40
15128a403
hexcbb0a4

13349028 has 48 divisors (see below), whose sum is σ = 38836224. Its totient is φ = 3467040.

The previous prime is 13349027. The next prime is 13349041. The reversal of 13349028 is 82094331.

It is a junction number, because it is equal to n+sod(n) for n = 13348986 and 13349004.

It is not an unprimeable number, because it can be changed into a prime (13349027) 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 15 ways as a sum of consecutive naturals, for example, 6300 + ... + 8147.

It is an arithmetic number, because the mean of its divisors is an integer number (809088).

Almost surely, 213349028 is an apocalyptic number.

It is an amenable number.

13349028 is an abundant number, since it is smaller than the sum of its proper divisors (25487196).

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

13349028 is a wasteful number, since it uses less digits than its factorization.

13349028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14472 (or 14470 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13349028 is about 3653.6321653938. The cubic root of 13349028 is about 237.2192242419.

The spelling of 13349028 in words is "thirteen million, three hundred forty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 14447 28894 43341 57788 86682 101129 158917 173364 202258 303387 317834 404516 476751 606774 635668 953502 1112419 1213548 1907004 2224838 3337257 4449676 6674514 13349028