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13898904 = 2337612
BaseRepresentation
bin110101000001…
…010010011000
3222011010201020
4311001102120
512024231104
61213522440
7226065405
oct65012230
928133636
1013898904
1179334a8
1247a3420
132b58406
141bbb2ac
1513482d9
hexd41498

13898904 has 24 divisors (see below), whose sum is σ = 34792980. Its totient is φ = 4626880.

The previous prime is 13898897. The next prime is 13898947. The reversal of 13898904 is 40989831.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17884 + ... + 18644.

Almost surely, 213898904 is an apocalyptic number.

It is an amenable number.

13898904 is an abundant number, since it is smaller than the sum of its proper divisors (20894076).

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

13898904 is an frugal number, since it uses more digits than its factorization.

13898904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 13898904 is about 3728.1233885160. The cubic root of 13898904 is about 240.4326916614.

The spelling of 13898904 in words is "thirteen million, eight hundred ninety-eight thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 761 1522 2283 3044 4566 6088 9132 18264 579121 1158242 1737363 2316484 3474726 4632968 6949452 13898904