Base | Representation |
---|---|
bin | 1101101101001… |
… | …0100110101110 |
3 | 11000011120121120 |
4 | 3123102212232 |
5 | 104204020432 |
6 | 5412041410 |
7 | 1265422626 |
oct | 333224656 |
9 | 130146546 |
10 | 57485742 |
11 | 2a4a3986 |
12 | 17303266 |
13 | bba9742 |
14 | 78c5886 |
15 | 50a7c2c |
hex | 36d29ae |
57485742 has 32 divisors (see below), whose sum is σ = 116992512. Its totient is φ = 18828384.
The previous prime is 57485737. The next prime is 57485759. The reversal of 57485742 is 24758475.
It is a super-2 number, since 2×574857422 = 6609221066581128, which contains 22 as substring.
It is a nialpdrome in base 13.
It is a junction number, because it is equal to n+sod(n) for n = 57485694 and 57485703.
It is a congruent 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, 102928 + ... + 103484.
It is an arithmetic number, because the mean of its divisors is an integer number (3656016).
Almost surely, 257485742 is an apocalyptic number.
57485742 is an abundant number, since it is smaller than the sum of its proper divisors (59506770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57485742 is a wasteful number, since it uses less digits than its factorization.
57485742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 832.
The product of its digits is 313600, while the sum is 42.
The square root of 57485742 is about 7581.9352410846. The cubic root of 57485742 is about 385.9402262763.
The spelling of 57485742 in words is "fifty-seven million, four hundred eighty-five thousand, seven hundred forty-two".
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