Base | Representation |
---|---|
bin | 1101100111111… |
… | …1101100111100 |
3 | 10222112022210220 |
4 | 3121333230330 |
5 | 104112134142 |
6 | 5400501340 |
7 | 1262506626 |
oct | 331775474 |
9 | 128468726 |
10 | 57146172 |
11 | 2a291846 |
12 | 1717a850 |
13 | babb005 |
14 | 7837c16 |
15 | 503c2ec |
hex | 367fb3c |
57146172 has 24 divisors (see below), whose sum is σ = 136179456. Its totient is φ = 18643248.
The previous prime is 57146171. The next prime is 57146179. The reversal of 57146172 is 27164175.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57146171) 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, 50098 + ... + 51225.
It is an arithmetic number, because the mean of its divisors is an integer number (5674144).
Almost surely, 257146172 is an apocalyptic number.
It is an amenable number.
57146172 is an abundant number, since it is smaller than the sum of its proper divisors (79033284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57146172 is a wasteful number, since it uses less digits than its factorization.
57146172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101377 (or 101375 counting only the distinct ones).
The product of its digits is 11760, while the sum is 33.
The square root of 57146172 is about 7559.5087141957. The cubic root of 57146172 is about 385.1788048970.
The spelling of 57146172 in words is "fifty-seven million, one hundred forty-six thousand, one hundred seventy-two".
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