Base | Representation |
---|---|
bin | 1101101100101… |
… | …1010110111001 |
3 | 11000010001220010 |
4 | 3123023112321 |
5 | 104202043212 |
6 | 5411252133 |
7 | 1265240241 |
oct | 333132671 |
9 | 130101803 |
10 | 57456057 |
11 | 2a48364a |
12 | 172aa049 |
13 | bb99089 |
14 | 78b8b21 |
15 | 509e03c |
hex | 36cb5b9 |
57456057 has 8 divisors (see below), whose sum is σ = 80640160. Its totient is φ = 36288000.
The previous prime is 57456053. The next prime is 57456059. The reversal of 57456057 is 75065475.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57456057 - 22 = 57456053 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57456053) 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, 503944 + ... + 504057.
It is an arithmetic number, because the mean of its divisors is an integer number (10080020).
Almost surely, 257456057 is an apocalyptic number.
57456057 is a gapful number since it is divisible by the number (57) formed by its first and last digit.
It is an amenable number.
57456057 is a deficient number, since it is larger than the sum of its proper divisors (23184103).
57456057 is a wasteful number, since it uses less digits than its factorization.
57456057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008023.
The product of its (nonzero) digits is 147000, while the sum is 39.
The square root of 57456057 is about 7579.9773746364. The cubic root of 57456057 is about 385.8737830865.
The spelling of 57456057 in words is "fifty-seven million, four hundred fifty-six thousand, fifty-seven".
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