Base | Representation |
---|---|
bin | 1101101000110… |
… | …0111101001001 |
3 | 10222122002021110 |
4 | 3122030331021 |
5 | 104120403312 |
6 | 5402000533 |
7 | 1263124116 |
oct | 332147511 |
9 | 128562243 |
10 | 57200457 |
11 | 2a319606 |
12 | 171a6149 |
13 | bb09932 |
14 | 784d90d |
15 | 504d43c |
hex | 368cf49 |
57200457 has 8 divisors (see below), whose sum is σ = 77890176. Its totient is φ = 37322192.
The previous prime is 57200443. The next prime is 57200467. The reversal of 57200457 is 75400275.
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 57200457 - 212 = 57196361 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57200417) 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, 202698 + ... + 202979.
It is an arithmetic number, because the mean of its divisors is an integer number (9736272).
Almost surely, 257200457 is an apocalyptic number.
It is an amenable number.
57200457 is a deficient number, since it is larger than the sum of its proper divisors (20689719).
57200457 is a wasteful number, since it uses less digits than its factorization.
57200457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405727.
The product of its (nonzero) digits is 9800, while the sum is 30.
The square root of 57200457 is about 7563.0983730215. The cubic root of 57200457 is about 385.3007309061.
The spelling of 57200457 in words is "fifty-seven million, two hundred thousand, four hundred fifty-seven".
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