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13198308 = 2231099859
BaseRepresentation
bin110010010110…
…001111100100
3220211112200020
4302112033210
511334321213
61150515140
7220120014
oct62261744
926745606
1013198308
1174a50a2
124505ab0
132971566
141a77c44
15125a923
hexc963e4

13198308 has 12 divisors (see below), whose sum is σ = 30796080. Its totient is φ = 4399432.

The previous prime is 13198301. The next prime is 13198313. The reversal of 13198308 is 80389131.

13198308 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 tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13198301) 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, 549918 + ... + 549941.

It is an arithmetic number, because the mean of its divisors is an integer number (2566340).

Almost surely, 213198308 is an apocalyptic number.

It is an amenable number.

13198308 is an abundant number, since it is smaller than the sum of its proper divisors (17597772).

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

13198308 is a wasteful number, since it uses less digits than its factorization.

13198308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099866 (or 1099864 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 13198308 is about 3632.9475636183. The cubic root of 13198308 is about 236.3230517911.

The spelling of 13198308 in words is "thirteen million, one hundred ninety-eight thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 1099859 2199718 3299577 4399436 6599154 13198308