Base | Representation |
---|---|
bin | 1101101101011… |
… | …0000110101011 |
3 | 11000012022021102 |
4 | 3123112012223 |
5 | 104210000300 |
6 | 5412232015 |
7 | 1265512463 |
oct | 333260653 |
9 | 130168242 |
10 | 57500075 |
11 | 2a503726 |
12 | 1730b60b |
13 | bbb3119 |
14 | 78caba3 |
15 | 50ac0d5 |
hex | 36d61ab |
57500075 has 6 divisors (see below), whose sum is σ = 71300124. Its totient is φ = 46000040.
The previous prime is 57500063. The next prime is 57500089. The reversal of 57500075 is 57000575.
It is not a de Polignac number, because 57500075 - 210 = 57499051 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149977 + ... + 1150026.
It is an arithmetic number, because the mean of its divisors is an integer number (11883354).
Almost surely, 257500075 is an apocalyptic number.
57500075 is a deficient number, since it is larger than the sum of its proper divisors (13800049).
57500075 is a wasteful number, since it uses less digits than its factorization.
57500075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2300013 (or 2300008 counting only the distinct ones).
The product of its (nonzero) digits is 6125, while the sum is 29.
The square root of 57500075 is about 7582.8803894035. The cubic root of 57500075 is about 385.9722992820.
Subtracting from 57500075 its reverse (57000575), we obtain a triangular number (499500 = T999).
The spelling of 57500075 in words is "fifty-seven million, five hundred thousand, seventy-five".
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