Base | Representation |
---|---|
bin | 1101100101110… |
… | …0011101001001 |
3 | 10222020222202211 |
4 | 3121130131021 |
5 | 104043024201 |
6 | 5353425121 |
7 | 1261336003 |
oct | 331343511 |
9 | 128228684 |
10 | 57001801 |
11 | 2a1a332a |
12 | 1710b1a1 |
13 | ba6a39c |
14 | 77db373 |
15 | 500e651 |
hex | 365c749 |
57001801 has 2 divisors, whose sum is σ = 57001802. Its totient is φ = 57001800.
The previous prime is 57001783. The next prime is 57001837. The reversal of 57001801 is 10810075.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 56987401 + 14400 = 7549^2 + 120^2 .
It is a cyclic number.
It is not a de Polignac number, because 57001801 - 221 = 54904649 is a prime.
It is not a weakly prime, because it can be changed into another prime (57031801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500900 + 28500901.
It is an arithmetic number, because the mean of its divisors is an integer number (28500901).
Almost surely, 257001801 is an apocalyptic number.
It is an amenable number.
57001801 is a deficient number, since it is larger than the sum of its proper divisors (1).
57001801 is an equidigital number, since it uses as much as digits as its factorization.
57001801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 280, while the sum is 22.
The square root of 57001801 is about 7549.9537084674. The cubic root of 57001801 is about 384.8541663894.
Adding to 57001801 its reverse (10810075), we get a palindrome (67811876).
The spelling of 57001801 in words is "fifty-seven million, one thousand, eight hundred one".
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