Base | Representation |
---|---|
bin | 1101100111111… |
… | …0001101100001 |
3 | 10222112000102201 |
4 | 3121332031201 |
5 | 104111440230 |
6 | 5400413201 |
7 | 1262453053 |
oct | 331761541 |
9 | 128460381 |
10 | 57140065 |
11 | 2a2881a4 |
12 | 17177201 |
13 | bab82b8 |
14 | 78358d3 |
15 | 503a5ca |
hex | 367e361 |
57140065 has 8 divisors (see below), whose sum is σ = 68757120. Its totient is φ = 45586032.
The previous prime is 57140059. The next prime is 57140107. The reversal of 57140065 is 56004175.
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 57140065 - 223 = 48751457 is a prime.
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, 13735 + ... + 17404.
It is an arithmetic number, because the mean of its divisors is an integer number (8594640).
Almost surely, 257140065 is an apocalyptic number.
It is an amenable number.
57140065 is a deficient number, since it is larger than the sum of its proper divisors (11617055).
57140065 is a wasteful number, since it uses less digits than its factorization.
57140065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31511.
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 57140065 is about 7559.1047750378. The cubic root of 57140065 is about 385.1650835302.
The spelling of 57140065 in words is "fifty-seven million, one hundred forty thousand, sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.200 sec. • engine limits •