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13905768 = 233579407
BaseRepresentation
bin110101000010…
…111101101000
3222011111010110
4311002331220
512024441033
61214014320
7226124412
oct65027550
928144113
1013905768
117938678
1247a73a0
132b5b586
141bbd9b2
15134a363
hexd42f68

13905768 has 16 divisors (see below), whose sum is σ = 34764480. Its totient is φ = 4635248.

The previous prime is 13905767. The next prime is 13905797. The reversal of 13905768 is 86750931.

13905768 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13905767) 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, 289680 + ... + 289727.

It is an arithmetic number, because the mean of its divisors is an integer number (2172780).

Almost surely, 213905768 is an apocalyptic number.

It is an amenable number.

13905768 is an abundant number, since it is smaller than the sum of its proper divisors (20858712).

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

13905768 is a wasteful number, since it uses less digits than its factorization.

13905768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579416 (or 579412 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13905768 is about 3729.0438452772. The cubic root of 13905768 is about 240.4722645275.

The spelling of 13905768 in words is "thirteen million, nine hundred five thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 579407 1158814 1738221 2317628 3476442 4635256 6952884 13905768