Base | Representation |
---|---|
bin | 1101100110110… |
… | …0110001111101 |
3 | 10222101101111102 |
4 | 3121230301331 |
5 | 104102144134 |
6 | 5355102445 |
7 | 1262034650 |
oct | 331546175 |
9 | 128341442 |
10 | 57068669 |
11 | 2a239599 |
12 | 17141a25 |
13 | ba91958 |
14 | 7817897 |
15 | 502437e |
hex | 366cc7d |
57068669 has 16 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 47313024.
The previous prime is 57068653. The next prime is 57068707. The reversal of 57068669 is 96686075.
It is a cyclic number.
It is not a de Polignac number, because 57068669 - 24 = 57068653 is a prime.
It is a super-2 number, since 2×570686692 = 6513665962863122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57068069) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28307 + ... + 30255.
It is an arithmetic number, because the mean of its divisors is an integer number (4212000).
Almost surely, 257068669 is an apocalyptic number.
It is an amenable number.
57068669 is a deficient number, since it is larger than the sum of its proper divisors (10323331).
57068669 is a wasteful number, since it uses less digits than its factorization.
57068669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2092.
The product of its (nonzero) digits is 544320, while the sum is 47.
The square root of 57068669 is about 7554.3807820363. The cubic root of 57068669 is about 385.0045965606.
The spelling of 57068669 in words is "fifty-seven million, sixty-eight thousand, six hundred sixty-nine".
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