Base | Representation |
---|---|
bin | 1101100110101… |
… | …1100011011010 |
3 | 10222101010121020 |
4 | 3121223203122 |
5 | 104102014032 |
6 | 5355023310 |
7 | 1262014206 |
oct | 331534332 |
9 | 128333536 |
10 | 57063642 |
11 | 2a235839 |
12 | 1713ab36 |
13 | ba8c58c |
14 | 7815b06 |
15 | 5022b2c |
hex | 366b8da |
57063642 has 8 divisors (see below), whose sum is σ = 114127296. Its totient is φ = 19021212.
The previous prime is 57063641. The next prime is 57063647. The reversal of 57063642 is 24636075.
It is a sphenic number, since it is the product of 3 distinct primes.
57063642 is an admirable number.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (57063641) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4755298 + ... + 4755309.
It is an arithmetic number, because the mean of its divisors is an integer number (14265912).
Almost surely, 257063642 is an apocalyptic number.
57063642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57063642 is a wasteful number, since it uses less digits than its factorization.
57063642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9510612.
The product of its (nonzero) digits is 30240, while the sum is 33.
The square root of 57063642 is about 7554.0480538583. The cubic root of 57063642 is about 384.9932916130.
The spelling of 57063642 in words is "fifty-seven million, sixty-three thousand, six hundred forty-two".
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