Base | Representation |
---|---|
bin | 1101100101011… |
… | …1001111000100 |
3 | 10222012220102221 |
4 | 3121113033010 |
5 | 104041333140 |
6 | 5353142124 |
7 | 1261216450 |
oct | 331271704 |
9 | 128186387 |
10 | 56980420 |
11 | 2a189262 |
12 | 170ba944 |
13 | ba60733 |
14 | 77d3660 |
15 | 500814a |
hex | 36573c4 |
56980420 has 48 divisors (see below), whose sum is σ = 137249280. Its totient is φ = 19465344.
The previous prime is 56980397. The next prime is 56980421. The reversal of 56980420 is 2408965.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (56980421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50826 + ... + 51934.
It is an arithmetic number, because the mean of its divisors is an integer number (2859360).
Almost surely, 256980420 is an apocalyptic number.
It is an amenable number.
56980420 is an abundant number, since it is smaller than the sum of its proper divisors (80268860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56980420 is a wasteful number, since it uses less digits than its factorization.
56980420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 56980420 is about 7548.5376067156. The cubic root of 56980420 is about 384.8060416177.
The spelling of 56980420 in words is "fifty-six million, nine hundred eighty thousand, four hundred twenty".
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