Base | Representation |
---|---|
bin | 1101101111111… |
… | …0010111101001 |
3 | 11000111200111210 |
4 | 3123332113221 |
5 | 104230240001 |
6 | 5415543333 |
7 | 1300100352 |
oct | 333762751 |
9 | 130450453 |
10 | 57665001 |
11 | 2a606629 |
12 | 1738ab49 |
13 | bc40204 |
14 | 7930d29 |
15 | 50e0dd6 |
hex | 36fe5e9 |
57665001 has 16 divisors (see below), whose sum is σ = 77902848. Its totient is φ = 37939200.
The previous prime is 57664987. The next prime is 57665009. The reversal of 57665001 is 10056675.
It is a de Polignac number, because none of the positive numbers 2k-57665001 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57665001.
It is not an unprimeable number, because it can be changed into a prime (57665009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89641 + ... + 90281.
It is an arithmetic number, because the mean of its divisors is an integer number (4868928).
Almost surely, 257665001 is an apocalyptic number.
It is an amenable number.
57665001 is a deficient number, since it is larger than the sum of its proper divisors (20237847).
57665001 is a wasteful number, since it uses less digits than its factorization.
57665001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 992.
The product of its (nonzero) digits is 6300, while the sum is 30.
The square root of 57665001 is about 7593.7474938267. The cubic root of 57665001 is about 386.3409718587.
The spelling of 57665001 in words is "fifty-seven million, six hundred sixty-five thousand, one".
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