Base | Representation |
---|---|
bin | 1101100011100… |
… | …0011100001001 |
3 | 10221222111102010 |
4 | 3120320130021 |
5 | 104023314111 |
6 | 5350330133 |
7 | 1260152631 |
oct | 330703411 |
9 | 127874363 |
10 | 56854281 |
11 | 2a102510 |
12 | 17059949 |
13 | ba181b3 |
14 | 779d6c1 |
15 | 4ed0aa6 |
hex | 3638709 |
56854281 has 8 divisors (see below), whose sum is σ = 82697184. Its totient is φ = 34457120.
The previous prime is 56854277. The next prime is 56854309. The reversal of 56854281 is 18245865.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 56854281 - 22 = 56854277 is a prime.
It is a super-2 number, since 2×568542812 = 6464818536053922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (56854211) 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, 861396 + ... + 861461.
It is an arithmetic number, because the mean of its divisors is an integer number (10337148).
Almost surely, 256854281 is an apocalyptic number.
It is an amenable number.
56854281 is a deficient number, since it is larger than the sum of its proper divisors (25842903).
56854281 is a wasteful number, since it uses less digits than its factorization.
56854281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1722871.
The product of its digits is 76800, while the sum is 39.
The square root of 56854281 is about 7540.1777830499. The cubic root of 56854281 is about 384.5218802001.
The spelling of 56854281 in words is "fifty-six million, eight hundred fifty-four thousand, two hundred eighty-one".
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