Base | Representation |
---|---|
bin | 110010101111… |
… | …011100010000 |
3 | 221000210020220 |
4 | 302233130100 |
5 | 11401122040 |
6 | 1153033040 |
7 | 221026641 |
oct | 62573420 |
9 | 27023226 |
10 | 13301520 |
11 | 75656a1 |
12 | 4555780 |
13 | 29a952b |
14 | 1aa36c8 |
15 | 127b2d0 |
hex | caf710 |
13301520 has 80 divisors (see below), whose sum is σ = 43419840. Its totient is φ = 3359232.
The previous prime is 13301503. The next prime is 13301543. The reversal of 13301520 is 2510331.
It is a happy number.
13301520 is digitally balanced in base 2, because in such base 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 (80).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 13301520.
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, 3102 + ... + 6018.
It is an arithmetic number, because the mean of its divisors is an integer number (542748).
Almost surely, 213301520 is an apocalyptic number.
13301520 is a gapful number since it is divisible by the number (10) 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 13301520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21709920).
13301520 is an abundant number, since it is smaller than the sum of its proper divisors (30118320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13301520 is a wasteful number, since it uses less digits than its factorization.
13301520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2952 (or 2946 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 13301520 is about 3647.1248950372. The cubic root of 13301520 is about 236.9374757176.
Adding to 13301520 its reverse (2510331), we get a palindrome (15811851).
It can be divided in two parts, 1330 and 1520, that added together give a triangular number (2850 = T75).
The spelling of 13301520 in words is "thirteen million, three hundred one thousand, five hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •