Base | Representation |
---|---|
bin | 1101100010001… |
… | …1011111011110 |
3 | 10221211010201020 |
4 | 3120203133132 |
5 | 104013042403 |
6 | 5344425010 |
7 | 1256344524 |
oct | 330433736 |
9 | 127733636 |
10 | 56768478 |
11 | 2a053aa8 |
12 | 17018166 |
13 | b9b8120 |
14 | 777a314 |
15 | 4eb5453 |
hex | 36237de |
56768478 has 32 divisors (see below), whose sum is σ = 122976672. Its totient is φ = 17366400.
The previous prime is 56768449. The next prime is 56768479. The reversal of 56768478 is 87486765.
It is a self number, because there is not a number n which added to its sum of digits gives 56768478.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56768479) 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, 12108 + ... + 16128.
It is an arithmetic number, because the mean of its divisors is an integer number (3843021).
Almost surely, 256768478 is an apocalyptic number.
56768478 is an abundant number, since it is smaller than the sum of its proper divisors (66208194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56768478 is a wasteful number, since it uses less digits than its factorization.
56768478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4220.
The product of its digits is 2257920, while the sum is 51.
The square root of 56768478 is about 7534.4859147788. The cubic root of 56768478 is about 384.3283460065.
The spelling of 56768478 in words is "fifty-six million, seven hundred sixty-eight thousand, four hundred seventy-eight".
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