Base | Representation |
---|---|
bin | 1101101010011… |
… | …1001110100001 |
3 | 10222211112212221 |
4 | 3122213032201 |
5 | 104132324230 |
6 | 5404151041 |
7 | 1264052623 |
oct | 332471641 |
9 | 128745787 |
10 | 57308065 |
11 | 2a392441 |
12 | 17238481 |
13 | bb468c9 |
14 | 787ac13 |
15 | 507027a |
hex | 36a73a1 |
57308065 has 8 divisors (see below), whose sum is σ = 71759808. Its totient is φ = 43853040.
The previous prime is 57308011. The next prime is 57308081. The reversal of 57308065 is 56080375.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57308065 - 217 = 57176993 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57308065.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249051 + ... + 249280.
It is an arithmetic number, because the mean of its divisors is an integer number (8969976).
Almost surely, 257308065 is an apocalyptic number.
It is an amenable number.
57308065 is a deficient number, since it is larger than the sum of its proper divisors (14451743).
57308065 is a wasteful number, since it uses less digits than its factorization.
57308065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 498359.
The product of its (nonzero) digits is 25200, while the sum is 34.
The square root of 57308065 is about 7570.2090459907. The cubic root of 57308065 is about 385.5421944111.
The spelling of 57308065 in words is "fifty-seven million, three hundred eight thousand, sixty-five".
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