Base | Representation |
---|---|
bin | 1101100111111… |
… | …0110110001110 |
3 | 10222112011000012 |
4 | 3121332312032 |
5 | 104112031140 |
6 | 5400433222 |
7 | 1262463464 |
oct | 331766616 |
9 | 128464005 |
10 | 57142670 |
11 | 2a28a152 |
12 | 17178812 |
13 | bab9540 |
14 | 7836834 |
15 | 503b265 |
hex | 367ed8e |
57142670 has 16 divisors (see below), whose sum is σ = 110769120. Its totient is φ = 21098784.
The previous prime is 57142667. The next prime is 57142681. The reversal of 57142670 is 7624175.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219650 + ... + 219909.
It is an arithmetic number, because the mean of its divisors is an integer number (6923070).
Almost surely, 257142670 is an apocalyptic number.
57142670 is a deficient number, since it is larger than the sum of its proper divisors (53626450).
57142670 is a wasteful number, since it uses less digits than its factorization.
57142670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439579.
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 57142670 is about 7559.2770818379. The cubic root of 57142670 is about 385.1709366316.
The spelling of 57142670 in words is "fifty-seven million, one hundred forty-two thousand, six hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •