Base | Representation |
---|---|
bin | 1101101100111… |
… | …0011101100001 |
3 | 11000010201022221 |
4 | 3123032131201 |
5 | 104203000034 |
6 | 5411431041 |
7 | 1265322301 |
oct | 333163541 |
9 | 130121287 |
10 | 57468769 |
11 | 2a492156 |
12 | 172b5481 |
13 | bba1ab7 |
14 | 78bd601 |
15 | 50a2bb4 |
hex | 36ce761 |
57468769 has 6 divisors (see below), whose sum is σ = 58838226. Its totient is φ = 56130480.
The previous prime is 57468731. The next prime is 57468779. The reversal of 57468769 is 96786475.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 44422225 + 13046544 = 6665^2 + 3612^2 .
It is not a de Polignac number, because 57468769 - 225 = 23914337 is a prime.
It is a super-2 number, since 2×574687692 = 6605318820750722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57468779) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13692 + ... + 17389.
It is an arithmetic number, because the mean of its divisors is an integer number (9806371).
Almost surely, 257468769 is an apocalyptic number.
It is an amenable number.
57468769 is a deficient number, since it is larger than the sum of its proper divisors (1369457).
57468769 is an equidigital number, since it uses as much as digits as its factorization.
57468769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31167 (or 31124 counting only the distinct ones).
The product of its digits is 2540160, while the sum is 52.
The square root of 57468769 is about 7580.8158531915. The cubic root of 57468769 is about 385.9022388378.
The spelling of 57468769 in words is "fifty-seven million, four hundred sixty-eight thousand, seven hundred sixty-nine".
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