Base | Representation |
---|---|
bin | 1101101010000… |
… | …0011110101001 |
3 | 10222210010222020 |
4 | 3122200132221 |
5 | 104130433200 |
6 | 5403415053 |
7 | 1263606216 |
oct | 332403651 |
9 | 128703866 |
10 | 57280425 |
11 | 2a3736a4 |
12 | 17224489 |
13 | bb37157 |
14 | 7870b0d |
15 | 5066ea0 |
hex | 36a07a9 |
57280425 has 12 divisors (see below), whose sum is σ = 94703760. Its totient is φ = 30549520.
The previous prime is 57280411. The next prime is 57280441. The reversal of 57280425 is 52408275.
57280425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 57280425 - 27 = 57280297 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381795 + ... + 381944.
It is an arithmetic number, because the mean of its divisors is an integer number (7891980).
Almost surely, 257280425 is an apocalyptic number.
It is an amenable number.
57280425 is a deficient number, since it is larger than the sum of its proper divisors (37423335).
57280425 is a wasteful number, since it uses less digits than its factorization.
57280425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763752 (or 763747 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 57280425 is about 7568.3832487527. The cubic root of 57280425 is about 385.4802013918.
The spelling of 57280425 in words is "fifty-seven million, two hundred eighty thousand, four hundred twenty-five".
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