Base | Representation |
---|---|
bin | 1101101001101… |
… | …1000001010111 |
3 | 10222202000022022 |
4 | 3122123001113 |
5 | 104124224241 |
6 | 5403123355 |
7 | 1263454103 |
oct | 332330127 |
9 | 128660268 |
10 | 57258071 |
11 | 2a358922 |
12 | 1721355b |
13 | bb29c20 |
14 | 7866903 |
15 | 506054b |
hex | 369b057 |
57258071 has 8 divisors (see below), whose sum is σ = 61975200. Its totient is φ = 52585632.
The previous prime is 57258067. The next prime is 57258107. The reversal of 57258071 is 17085275.
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 57258071 - 22 = 57258067 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 (57258031) 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, 8480 + ... + 13653.
It is an arithmetic number, because the mean of its divisors is an integer number (7746900).
Almost surely, 257258071 is an apocalyptic number.
57258071 is a deficient number, since it is larger than the sum of its proper divisors (4717129).
57258071 is a wasteful number, since it uses less digits than its factorization.
57258071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22345.
The product of its (nonzero) digits is 19600, while the sum is 35.
The square root of 57258071 is about 7566.9063031070. The cubic root of 57258071 is about 385.4300496130.
The spelling of 57258071 in words is "fifty-seven million, two hundred fifty-eight thousand, seventy-one".
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