Base | Representation |
---|---|
bin | 1101100100000… |
… | …1010100110111 |
3 | 10222001100100012 |
4 | 3121001110313 |
5 | 104031000204 |
6 | 5351210435 |
7 | 1260364016 |
oct | 331012467 |
9 | 128040305 |
10 | 56890679 |
11 | 2a12789a |
12 | 17076a1b |
13 | ba2b931 |
14 | 77aca7d |
15 | 4edb76e |
hex | 3641537 |
56890679 has 4 divisors (see below), whose sum is σ = 56907576. Its totient is φ = 56873784.
The previous prime is 56890651. The next prime is 56890681. The reversal of 56890679 is 97609865.
56890679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97609865 = 5 ⋅19521973.
It is a cyclic number.
It is not a de Polignac number, because 56890679 - 220 = 55842103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56890649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484 + ... + 10769.
It is an arithmetic number, because the mean of its divisors is an integer number (14226894).
Almost surely, 256890679 is an apocalyptic number.
56890679 is a deficient number, since it is larger than the sum of its proper divisors (16897).
56890679 is a wasteful number, since it uses less digits than its factorization.
56890679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16896.
The product of its (nonzero) digits is 816480, while the sum is 50.
The square root of 56890679 is about 7542.5910004454. The cubic root of 56890679 is about 384.6039194152.
The spelling of 56890679 in words is "fifty-six million, eight hundred ninety thousand, six hundred seventy-nine".
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