Base | Representation |
---|---|
bin | 1100011011010… |
… | …0110110010100 |
3 | 10122002000112200 |
4 | 3012310312110 |
5 | 101320332410 |
6 | 5101044500 |
7 | 1202010132 |
oct | 306646624 |
9 | 118060480 |
10 | 52120980 |
11 | 2746a29a |
12 | 15556730 |
13 | aa4b922 |
14 | 6cca752 |
15 | 48983c0 |
hex | 31b4d94 |
52120980 has 72 divisors (see below), whose sum is σ = 167410152. Its totient is φ = 13080576.
The previous prime is 52120919. The next prime is 52120993. The reversal of 52120980 is 8902125.
52120980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 5253264 + 46867716 = 2292^2 + 6846^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5457 + ... + 11576.
It is an arithmetic number, because the mean of its divisors is an integer number (2325141).
Almost surely, 252120980 is an apocalyptic number.
It is an amenable number.
52120980 is an abundant number, since it is smaller than the sum of its proper divisors (115289172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52120980 is a wasteful number, since it uses less digits than its factorization.
52120980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17065 (or 17060 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 52120980 is about 7219.4861312977. The cubic root of 52120980 is about 373.5403525162.
The spelling of 52120980 in words is "fifty-two million, one hundred twenty thousand, nine hundred eighty".
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