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13366668 = 2237227701
BaseRepresentation
bin110010111111…
…010110001100
3221011002121210
4302333112030
511410213133
61154254420
7221420610
oct62772614
927132553
1013366668
1175aa637
124587410
132a00093
141abd340
151290763
hexcbf58c

13366668 has 48 divisors (see below), whose sum is σ = 35852544. Its totient is φ = 3796800.

The previous prime is 13366667. The next prime is 13366681. The reversal of 13366668 is 86666331.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18718 + ... + 19418.

It is an arithmetic number, because the mean of its divisors is an integer number (746928).

Almost surely, 213366668 is an apocalyptic number.

It is an amenable number.

13366668 is an abundant number, since it is smaller than the sum of its proper divisors (22485876).

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

13366668 is a wasteful number, since it uses less digits than its factorization.

13366668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 13366668 is about 3656.0454045321. The cubic root of 13366668 is about 237.3236689313.

The spelling of 13366668 in words is "thirteen million, three hundred sixty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 227 454 681 701 908 1362 1402 1589 2103 2724 2804 3178 4206 4767 4907 6356 8412 9534 9814 14721 19068 19628 29442 58884 159127 318254 477381 636508 954762 1113889 1909524 2227778 3341667 4455556 6683334 13366668