Base | Representation |
---|---|
bin | 1100011011010… |
… | …0110100110000 |
3 | 10122002000101222 |
4 | 3012310310300 |
5 | 101320332010 |
6 | 5101044212 |
7 | 1202006630 |
oct | 306646460 |
9 | 118060358 |
10 | 52120880 |
11 | 2746a209 |
12 | 15556668 |
13 | aa4b876 |
14 | 6cca6c0 |
15 | 4898355 |
hex | 31b4d30 |
52120880 has 80 divisors (see below), whose sum is σ = 139586304. Its totient is φ = 17729280.
The previous prime is 52120879. The next prime is 52120907. The reversal of 52120880 is 8802125.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×521208802 = 5433172263948800, which contains 22 as substring.
It is a plaindrome in base 12.
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, 90995 + ... + 91565.
Almost surely, 252120880 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52120880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69793152).
52120880 is an abundant number, since it is smaller than the sum of its proper divisors (87465424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52120880 is a wasteful number, since it uses less digits than its factorization.
52120880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 754 (or 748 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 52120880 is about 7219.4792055937. The cubic root of 52120880 is about 373.5401136229.
The spelling of 52120880 in words is "fifty-two million, one hundred twenty thousand, eight hundred eighty".
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