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13678260 = 2235277823
BaseRepresentation
bin110100001011…
…011010110100
3221201221001020
4310023122310
512000201020
61205101140
7224156211
oct64133264
927657036
1013678260
1177a2752
1246b77b0
132aabb5b
141b60b08
151302c40
hexd0b6b4

13678260 has 48 divisors (see below), whose sum is σ = 38484096. Its totient is φ = 3629952.

The previous prime is 13678253. The next prime is 13678279. The reversal of 13678260 is 6287631.

13678260 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16209 + ... + 17031.

It is an arithmetic number, because the mean of its divisors is an integer number (801752).

Almost surely, 213678260 is an apocalyptic number.

13678260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13678260 is an abundant number, since it is smaller than the sum of its proper divisors (24805836).

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

13678260 is a wasteful number, since it uses less digits than its factorization.

13678260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 13678260 is about 3698.4131732407. The cubic root of 13678260 is about 239.1536158723.

The spelling of 13678260 in words is "thirteen million, six hundred seventy-eight thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 277 554 823 831 1108 1385 1646 1662 2469 2770 3292 3324 4115 4155 4938 5540 8230 8310 9876 12345 16460 16620 24690 49380 227971 455942 683913 911884 1139855 1367826 2279710 2735652 3419565 4559420 6839130 13678260