Base | Representation |
---|---|
bin | 110001111000… |
… | …010001001010 |
3 | 220121022020220 |
4 | 301320101022 |
5 | 11321404110 |
6 | 1144130510 |
7 | 216066036 |
oct | 61702112 |
9 | 26538226 |
10 | 13075530 |
11 | 7420926 |
12 | 4466a36 |
13 | 292a700 |
14 | 1a451c6 |
15 | 1234370 |
hex | c7844a |
13075530 has 48 divisors (see below), whose sum is σ = 33994080. Its totient is φ = 3217344.
The previous prime is 13075529. The next prime is 13075589. The reversal of 13075530 is 3557031.
It is a self number, because there is not a number n which added to its sum of digits gives 13075530.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3781 + ... + 6359.
It is an arithmetic number, because the mean of its divisors is an integer number (708210).
Almost surely, 213075530 is an apocalyptic number.
13075530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13075530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16997040).
13075530 is an abundant number, since it is smaller than the sum of its proper divisors (20918550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13075530 is a wasteful number, since it uses less digits than its factorization.
13075530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2615 (or 2602 counting only the distinct ones).
The product of its (nonzero) digits is 1575, while the sum is 24.
The square root of 13075530 is about 3616.0102322864. The cubic root of 13075530 is about 235.5879648490.
The spelling of 13075530 in words is "thirteen million, seventy-five thousand, five hundred thirty".
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