Base | Representation |
---|---|
bin | 1101101001011… |
… | …0101000001011 |
3 | 10222201002121210 |
4 | 3122112220023 |
5 | 104123140300 |
6 | 5402504203 |
7 | 1263350454 |
oct | 332265013 |
9 | 128632553 |
10 | 57240075 |
11 | 2a346352 |
12 | 17205063 |
13 | bb21989 |
14 | 786012b |
15 | 505a050 |
hex | 3696a0b |
57240075 has 12 divisors (see below), whose sum is σ = 94637048. Its totient is φ = 30528000.
The previous prime is 57240047. The next prime is 57240091. The reversal of 57240075 is 57004275.
57240075 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 57240075 - 213 = 57231883 is a prime.
It is a Duffinian number.
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, 381526 + ... + 381675.
Almost surely, 257240075 is an apocalyptic number.
57240075 is a deficient number, since it is larger than the sum of its proper divisors (37396973).
57240075 is a wasteful number, since it uses less digits than its factorization.
57240075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763214 (or 763209 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 30.
The square root of 57240075 is about 7565.7170843219. The cubic root of 57240075 is about 385.3896656354.
The spelling of 57240075 in words is "fifty-seven million, two hundred forty thousand, seventy-five".
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