Base | Representation |
---|---|
bin | 1101101011100… |
… | …1110000100011 |
3 | 10222222102000021 |
4 | 3122321300203 |
5 | 104142241341 |
6 | 5405534311 |
7 | 1264520131 |
oct | 332716043 |
9 | 128872007 |
10 | 57383971 |
11 | 2a434477 |
12 | 17274397 |
13 | bb72318 |
14 | 789a751 |
15 | 50879d1 |
hex | 36b9c23 |
57383971 has 8 divisors (see below), whose sum is σ = 60792080. Its totient is φ = 54014688.
The previous prime is 57383899. The next prime is 57383983. The reversal of 57383971 is 17938375.
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 57383971 - 219 = 56859683 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57383071) 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, 6636 + ... + 12601.
It is an arithmetic number, because the mean of its divisors is an integer number (7599010).
Almost surely, 257383971 is an apocalyptic number.
57383971 is a deficient number, since it is larger than the sum of its proper divisors (3408109).
57383971 is a wasteful number, since it uses less digits than its factorization.
57383971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19413.
The product of its digits is 158760, while the sum is 43.
The square root of 57383971 is about 7575.2208548662. The cubic root of 57383971 is about 385.7123394833.
The spelling of 57383971 in words is "fifty-seven million, three hundred eighty-three thousand, nine hundred seventy-one".
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