Base | Representation |
---|---|
bin | 1100110101000… |
… | …0101010011100 |
3 | 10202020201101110 |
4 | 3031100222130 |
5 | 102233322042 |
6 | 5201142020 |
7 | 1222233654 |
oct | 315205234 |
9 | 122221343 |
10 | 53807772 |
11 | 28411637 |
12 | 1602a910 |
13 | b1bc625 |
14 | 7209364 |
15 | 4acd09c |
hex | 3350a9c |
53807772 has 36 divisors (see below), whose sum is σ = 132517896. Its totient is φ = 16990560.
The previous prime is 53807759. The next prime is 53807777. The reversal of 53807772 is 27770835.
It is a self number, because there is not a number n which added to its sum of digits gives 53807772.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53807777) 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, 1879 + ... + 10542.
Almost surely, 253807772 is an apocalyptic number.
It is an amenable number.
53807772 is an abundant number, since it is smaller than the sum of its proper divisors (78710124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53807772 is a wasteful number, since it uses less digits than its factorization.
53807772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12466 (or 12445 counting only the distinct ones).
The product of its (nonzero) digits is 82320, while the sum is 39.
The square root of 53807772 is about 7335.3781088639. The cubic root of 53807772 is about 377.5272778265.
The spelling of 53807772 in words is "fifty-three million, eight hundred seven thousand, seven hundred seventy-two".
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