Base | Representation |
---|---|
bin | 1101100100111… |
… | …1011111111010 |
3 | 10222011021222020 |
4 | 3121033133322 |
5 | 104034324410 |
6 | 5352335310 |
7 | 1261025166 |
oct | 331173772 |
9 | 128137866 |
10 | 56948730 |
11 | 2a167473 |
12 | 170a4536 |
13 | ba4c197 |
14 | 77c5ca6 |
15 | 4eeda70 |
hex | 364f7fa |
56948730 has 32 divisors (see below), whose sum is σ = 138412800. Its totient is φ = 14993472.
The previous prime is 56948701. The next prime is 56948737. The reversal of 56948730 is 3784965.
It is a happy number.
It is a super-2 number, since 2×569487302 = 6486315697225800, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (56948737) 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, 9645 + ... + 14384.
It is an arithmetic number, because the mean of its divisors is an integer number (4325400).
Almost surely, 256948730 is an apocalyptic number.
56948730 is an abundant number, since it is smaller than the sum of its proper divisors (81464070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56948730 is a wasteful number, since it uses less digits than its factorization.
56948730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24118.
The product of its (nonzero) digits is 181440, while the sum is 42.
The square root of 56948730 is about 7546.4382327029. The cubic root of 56948730 is about 384.7346909980.
The spelling of 56948730 in words is "fifty-six million, nine hundred forty-eight thousand, seven hundred thirty".
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