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13749068 = 2218471861
BaseRepresentation
bin110100011100…
…101101001100
3221212112011202
4310130231030
512004432233
61210405032
7224602514
oct64345514
927775152
1013749068
117840973
124730778
132b05158
141b7c844
151318be8
hexd1cb4c

13749068 has 12 divisors (see below), whose sum is σ = 24086832. Its totient is φ = 6867120.

The previous prime is 13749067. The next prime is 13749083. The reversal of 13749068 is 86094731.

13749068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13749061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (2007236).

Almost surely, 213749068 is an apocalyptic number.

It is an amenable number.

13749068 is a deficient number, since it is larger than the sum of its proper divisors (10337764).

13749068 is a wasteful number, since it uses less digits than its factorization.

13749068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13749068 is about 3707.9735705638. The cubic root of 13749068 is about 239.5655798783.

The spelling of 13749068 in words is "thirteen million, seven hundred forty-nine thousand, sixty-eight".

Divisors: 1 2 4 1847 1861 3694 3722 7388 7444 3437267 6874534 13749068