Base | Representation |
---|---|
bin | 1101100010100… |
… | …0111100111101 |
3 | 10221212021101122 |
4 | 3120220330331 |
5 | 104014301340 |
6 | 5345120325 |
7 | 1256466656 |
oct | 330507475 |
9 | 127767348 |
10 | 56790845 |
11 | 2a069891 |
12 | 170290a5 |
13 | b9c5367 |
14 | 778452d |
15 | 4ebbdb5 |
hex | 3628f3d |
56790845 has 8 divisors (see below), whose sum is σ = 70499160. Its totient is φ = 43865920.
The previous prime is 56790827. The next prime is 56790847. The reversal of 56790845 is 54809765.
It can be written as a sum of positive squares in 4 ways, for example, as 9084196 + 47706649 = 3014^2 + 6907^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 56790845 - 28 = 56790589 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 56790796 and 56790805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56790847) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195686 + ... + 195975.
It is an arithmetic number, because the mean of its divisors is an integer number (8812395).
Almost surely, 256790845 is an apocalyptic number.
It is an amenable number.
56790845 is a deficient number, since it is larger than the sum of its proper divisors (13708315).
56790845 is a wasteful number, since it uses less digits than its factorization.
56790845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391695.
The product of its (nonzero) digits is 302400, while the sum is 44.
The square root of 56790845 is about 7535.9700769045. The cubic root of 56790845 is about 384.3788149973.
The spelling of 56790845 in words is "fifty-six million, seven hundred ninety thousand, eight hundred forty-five".
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