Base | Representation |
---|---|
bin | 1101101001010… |
… | …1100000011111 |
3 | 10222200212022212 |
4 | 3122111200133 |
5 | 104123013422 |
6 | 5402431035 |
7 | 1263331211 |
oct | 332254037 |
9 | 128625285 |
10 | 57235487 |
11 | 2a342961 |
12 | 1720247b |
13 | bb1c86a |
14 | 785c5b1 |
15 | 50589e2 |
hex | 369581f |
57235487 has 8 divisors (see below), whose sum is σ = 59078400. Its totient is φ = 55421784.
The previous prime is 57235483. The next prime is 57235511. The reversal of 57235487 is 78453275.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57235487 - 22 = 57235483 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57235483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287 + ... + 11192.
It is an arithmetic number, because the mean of its divisors is an integer number (7384800).
Almost surely, 257235487 is an apocalyptic number.
57235487 is a deficient number, since it is larger than the sum of its proper divisors (1842913).
57235487 is a wasteful number, since it uses less digits than its factorization.
57235487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14605.
The product of its digits is 235200, while the sum is 41.
The square root of 57235487 is about 7565.4138683882. The cubic root of 57235487 is about 385.3793685663.
The spelling of 57235487 in words is "fifty-seven million, two hundred thirty-five thousand, four hundred eighty-seven".
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