Base | Representation |
---|---|
bin | 110010111010… |
… | …010000100001 |
3 | 221010001000211 |
4 | 302322100201 |
5 | 11404031300 |
6 | 1154014121 |
7 | 221303053 |
oct | 62722041 |
9 | 27101024 |
10 | 13345825 |
11 | 7595a09 |
12 | 4577341 |
13 | 29c374c |
14 | 1ab58d3 |
15 | 12894ba |
hex | cba421 |
13345825 has 12 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 10639760.
The previous prime is 13345823. The next prime is 13345831. The reversal of 13345825 is 52854331.
It is not a de Polignac number, because 13345825 - 21 = 13345823 is a prime.
It is a super-2 number, since 2×133458252 = 356222089861250, which contains 22 as substring.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (13345823) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8232 + ... + 9718.
It is an arithmetic number, because the mean of its divisors is an integer number (1383840).
Almost surely, 213345825 is an apocalyptic number.
It is an amenable number.
13345825 is a deficient number, since it is larger than the sum of its proper divisors (3260255).
13345825 is a wasteful number, since it uses less digits than its factorization.
13345825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1856 (or 1851 counting only the distinct ones).
The product of its digits is 14400, while the sum is 31.
The square root of 13345825 is about 3653.1938081629. The cubic root of 13345825 is about 237.2002497279.
The spelling of 13345825 in words is "thirteen million, three hundred forty-five thousand, eight hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •