Base | Representation |
---|---|
bin | 110010101100… |
… | …101111110001 |
3 | 221000020010001 |
4 | 302230233301 |
5 | 11400243411 |
6 | 1152510001 |
7 | 220652521 |
oct | 62545761 |
9 | 27006101 |
10 | 13290481 |
11 | 7558376 |
12 | 454b301 |
13 | 29a44b9 |
14 | 1a9d681 |
15 | 1277dc1 |
hex | cacbf1 |
13290481 has 16 divisors (see below), whose sum is σ = 15465600. Its totient is φ = 11328768.
The previous prime is 13290467. The next prime is 13290491. The reversal of 13290481 is 18409231.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13290481 - 25 = 13290449 is a prime.
It is a super-2 number, since 2×132904812 = 353273770422722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13290401) 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, 6535 + ... + 8323.
It is an arithmetic number, because the mean of its divisors is an integer number (966600).
Almost surely, 213290481 is an apocalyptic number.
It is an amenable number.
13290481 is a deficient number, since it is larger than the sum of its proper divisors (2175119).
13290481 is a wasteful number, since it uses less digits than its factorization.
13290481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1848.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 13290481 is about 3645.6111970423. The cubic root of 13290481 is about 236.8719123664.
The spelling of 13290481 in words is "thirteen million, two hundred ninety thousand, four hundred eighty-one".
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