Base | Representation |
---|---|
bin | 110010000100… |
… | …011000001100 |
3 | 220200211022000 |
4 | 302010120030 |
5 | 11330001012 |
6 | 1145152300 |
7 | 216363456 |
oct | 62043014 |
9 | 26624260 |
10 | 13125132 |
11 | 7455119 |
12 | 448b690 |
13 | 2947167 |
14 | 1a592d6 |
15 | 1243ddc |
hex | c8460c |
13125132 has 48 divisors (see below), whose sum is σ = 34685280. Its totient is φ = 4290624.
The previous prime is 13125127. The next prime is 13125169. The reversal of 13125132 is 23152131.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 4578 + ... + 6870.
It is an arithmetic number, because the mean of its divisors is an integer number (722610).
Almost surely, 213125132 is an apocalyptic number.
13125132 is a gapful number since it is divisible by the number (12) 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 13125132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17342640).
13125132 is an abundant number, since it is smaller than the sum of its proper divisors (21560148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13125132 is a wasteful number, since it uses less digits than its factorization.
13125132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2359 (or 2351 counting only the distinct ones).
The product of its digits is 180, while the sum is 18.
The square root of 13125132 is about 3622.8624042323. The cubic root of 13125132 is about 235.8854897885.
Adding to 13125132 its reverse (23152131), we get a palindrome (36277263).
The spelling of 13125132 in words is "thirteen million, one hundred twenty-five thousand, one hundred thirty-two".
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