Base | Representation |
---|---|
bin | 1101101001011… |
… | …1001111011001 |
3 | 10222201020001202 |
4 | 3122113033121 |
5 | 104123230320 |
6 | 5402523545 |
7 | 1263361001 |
oct | 332271731 |
9 | 128636052 |
10 | 57242585 |
11 | 2a348224 |
12 | 172065b5 |
13 | bb22b6a |
14 | 7861001 |
15 | 505ab75 |
hex | 36973d9 |
57242585 has 16 divisors (see below), whose sum is σ = 71892480. Its totient is φ = 43701120.
The previous prime is 57242579. The next prime is 57242599. The reversal of 57242585 is 58524275.
It is not a de Polignac number, because 57242585 - 216 = 57177049 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8786 + ... + 13844.
It is an arithmetic number, because the mean of its divisors is an integer number (4493280).
Almost surely, 257242585 is an apocalyptic number.
It is an amenable number.
57242585 is a deficient number, since it is larger than the sum of its proper divisors (14649895).
57242585 is a wasteful number, since it uses less digits than its factorization.
57242585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5168.
The product of its digits is 112000, while the sum is 38.
The square root of 57242585 is about 7565.8829623515. The cubic root of 57242585 is about 385.3952987163.
The spelling of 57242585 in words is "fifty-seven million, two hundred forty-two thousand, five hundred eighty-five".
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