Base | Representation |
---|---|
bin | 1101110000000… |
… | …1100100101101 |
3 | 11000112100111212 |
4 | 3130001210231 |
5 | 104231200000 |
6 | 5420124205 |
7 | 1300153541 |
oct | 334014455 |
9 | 130470455 |
10 | 57678125 |
11 | 2a61547a |
12 | 17396665 |
13 | bc4618b |
14 | 7935a21 |
15 | 50e4c35 |
hex | 370192d |
57678125 has 12 divisors (see below), whose sum is σ = 72096948. Its totient is φ = 46140000.
The previous prime is 57678107. The next prime is 57678139. The reversal of 57678125 is 52187675.
It can be written as a sum of positive squares in 6 ways, for example, as 41654116 + 16024009 = 6454^2 + 4003^2 .
It is not a de Polignac number, because 57678125 - 210 = 57677101 is a prime.
It is a super-2 number, since 2×576781252 = 6653532207031250, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6104 + ... + 12353.
It is an arithmetic number, because the mean of its divisors is an integer number (6008079).
Almost surely, 257678125 is an apocalyptic number.
It is an amenable number.
57678125 is a deficient number, since it is larger than the sum of its proper divisors (14418823).
57678125 is an frugal number, since it uses more digits than its factorization.
57678125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18482 (or 18462 counting only the distinct ones).
The product of its digits is 117600, while the sum is 41.
The square root of 57678125 is about 7594.6115766377. The cubic root of 57678125 is about 386.3702787995.
The spelling of 57678125 in words is "fifty-seven million, six hundred seventy-eight thousand, one hundred twenty-five".
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