Base | Representation |
---|---|
bin | 110011011011… |
… | …001011010000 |
3 | 221100212222120 |
4 | 303123023100 |
5 | 11422340111 |
6 | 1200534240 |
7 | 222404130 |
oct | 63331320 |
9 | 27325876 |
10 | 13480656 |
11 | 7678242 |
12 | 4621380 |
13 | 2a3cc27 |
14 | 1b0cac0 |
15 | 12b4406 |
hex | cdb2d0 |
13480656 has 80 divisors (see below), whose sum is σ = 40604544. Its totient is φ = 3773952.
The previous prime is 13480627. The next prime is 13480657. The reversal of 13480656 is 65608431.
13480656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13480657) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17430 + ... + 18186.
Almost surely, 213480656 is an apocalyptic number.
13480656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13480656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20302272).
13480656 is an abundant number, since it is smaller than the sum of its proper divisors (27123888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13480656 is a wasteful number, since it uses less digits than its factorization.
13480656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 828 (or 822 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 13480656 is about 3671.6012855429. The cubic root of 13480656 is about 237.9963749654.
The spelling of 13480656 in words is "thirteen million, four hundred eighty thousand, six hundred fifty-six".
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