Base | Representation |
---|---|
bin | 110011010101… |
… | …010111110000 |
3 | 221022200100222 |
4 | 303111113300 |
5 | 11421110010 |
6 | 1200232212 |
7 | 222244613 |
oct | 63252760 |
9 | 27280328 |
10 | 13456880 |
11 | 7661398 |
12 | 460b668 |
13 | 2a32168 |
14 | 1b0417a |
15 | 12ac355 |
hex | cd55f0 |
13456880 has 20 divisors (see below), whose sum is σ = 31287432. Its totient is φ = 5382720.
The previous prime is 13456879. The next prime is 13456901. The reversal of 13456880 is 8865431.
It is a tau number, because it is divible by the number of its divisors (20).
It is a self number, because there is not a number n which added to its sum of digits gives 13456880.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84026 + ... + 84185.
Almost surely, 213456880 is an apocalyptic number.
13456880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13456880 is an abundant number, since it is smaller than the sum of its proper divisors (17830552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13456880 is a wasteful number, since it uses less digits than its factorization.
13456880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168224 (or 168218 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 13456880 is about 3668.3620322972. The cubic root of 13456880 is about 237.8563735740.
The spelling of 13456880 in words is "thirteen million, four hundred fifty-six thousand, eight hundred eighty".
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