Base | Representation |
---|---|
bin | 1101100100011… |
… | …0101001101101 |
3 | 10222002110021010 |
4 | 3121012221231 |
5 | 104032144433 |
6 | 5351455433 |
7 | 1260514431 |
oct | 331065155 |
9 | 128073233 |
10 | 56912493 |
11 | 2a142220 |
12 | 17087579 |
13 | ba38841 |
14 | 77b69c1 |
15 | 4ee2e63 |
hex | 3646a6d |
56912493 has 16 divisors (see below), whose sum is σ = 83123712. Its totient is φ = 34350000.
The previous prime is 56912489. The next prime is 56912501. The reversal of 56912493 is 39421965.
It is not a de Polignac number, because 56912493 - 22 = 56912489 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56912473) 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, 4848 + ... + 11718.
It is an arithmetic number, because the mean of its divisors is an integer number (5195232).
Almost surely, 256912493 is an apocalyptic number.
It is an amenable number.
56912493 is a deficient number, since it is larger than the sum of its proper divisors (26211219).
56912493 is a wasteful number, since it uses less digits than its factorization.
56912493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7136.
The product of its digits is 58320, while the sum is 39.
The square root of 56912493 is about 7544.0369166647. The cubic root of 56912493 is about 384.6530702776.
The spelling of 56912493 in words is "fifty-six million, nine hundred twelve thousand, four hundred ninety-three".
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