Base | Representation |
---|---|
bin | 1101110100101… |
… | …0010110110101 |
3 | 11001002111110100 |
4 | 3131022112311 |
5 | 104320214440 |
6 | 5430344313 |
7 | 1302534645 |
oct | 335122665 |
9 | 131074410 |
10 | 57976245 |
11 | 2a7a9458 |
12 | 174bb099 |
13 | c01ba92 |
14 | 79b2525 |
15 | 5153230 |
hex | 374a5b5 |
57976245 has 12 divisors (see below), whose sum is σ = 100492236. Its totient is φ = 30920640.
The previous prime is 57976241. The next prime is 57976271. The reversal of 57976245 is 54267975.
57976245 is a `hidden beast` number, since 579 + 76 + 2 + 4 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 21288996 + 36687249 = 4614^2 + 6057^2 .
It is not a de Polignac number, because 57976245 - 22 = 57976241 is a prime.
It is a super-2 number, since 2×579762452 = 6722489968600050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1288361 = 57976245 / (5 + 7 + 9 + 7 + 6 + 2 + 4 + 5).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 57976245.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57976241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 644136 + ... + 644225.
It is an arithmetic number, because the mean of its divisors is an integer number (8374353).
Almost surely, 257976245 is an apocalyptic number.
It is an amenable number.
57976245 is a deficient number, since it is larger than the sum of its proper divisors (42515991).
57976245 is a wasteful number, since it uses less digits than its factorization.
57976245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1288372 (or 1288369 counting only the distinct ones).
The product of its digits is 529200, while the sum is 45.
The square root of 57976245 is about 7614.2133539848. The cubic root of 57976245 is about 387.0348104817.
The spelling of 57976245 in words is "fifty-seven million, nine hundred seventy-six thousand, two hundred forty-five".
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