Base | Representation |
---|---|
bin | 1101100101110… |
… | …1011000111001 |
3 | 10222021012000110 |
4 | 3121131120321 |
5 | 104043140000 |
6 | 5353454533 |
7 | 1261353105 |
oct | 331353071 |
9 | 128235013 |
10 | 57005625 |
11 | 2a1a6196 |
12 | 17111449 |
13 | ba6c051 |
14 | 77dc905 |
15 | 5010850 |
hex | 365d639 |
57005625 has 20 divisors (see below), whose sum is σ = 94982096. Its totient is φ = 30402000.
The previous prime is 57005603. The next prime is 57005629. The reversal of 57005625 is 52650075.
It is not a de Polignac number, because 57005625 - 210 = 57004601 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 57005592 and 57005601.
It is not an unprimeable number, because it can be changed into a prime (57005629) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13327 + ... + 17076.
Almost surely, 257005625 is an apocalyptic number.
It is an amenable number.
57005625 is a deficient number, since it is larger than the sum of its proper divisors (37976471).
57005625 is an equidigital number, since it uses as much as digits as its factorization.
57005625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30426 (or 30411 counting only the distinct ones).
The product of its (nonzero) digits is 10500, while the sum is 30.
The square root of 57005625 is about 7550.2069508061. The cubic root of 57005625 is about 384.8627722545.
It can be divided in two parts, 57005 and 625, that added together give a triangular number (57630 = T339).
The spelling of 57005625 in words is "fifty-seven million, five thousand, six hundred twenty-five".
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