Base | Representation |
---|---|
bin | 1101110001000… |
… | …1001100011011 |
3 | 11000122121021120 |
4 | 3130101030123 |
5 | 104240221412 |
6 | 5421340323 |
7 | 1300541223 |
oct | 334211433 |
9 | 130577246 |
10 | 57742107 |
11 | 2a659555 |
12 | 174076a3 |
13 | bc69337 |
14 | 7951083 |
15 | 5108b8c |
hex | 371131b |
57742107 has 8 divisors (see below), whose sum is σ = 77057040. Its totient is φ = 38460960.
The previous prime is 57742031. The next prime is 57742117. The reversal of 57742107 is 70124775.
It is a happy number.
57742107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57742107 - 210 = 57741083 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57742117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144 + ... + 11517.
It is an arithmetic number, because the mean of its divisors is an integer number (9632130).
Almost surely, 257742107 is an apocalyptic number.
57742107 is a deficient number, since it is larger than the sum of its proper divisors (19314933).
57742107 is a wasteful number, since it uses less digits than its factorization.
57742107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16893.
The product of its (nonzero) digits is 13720, while the sum is 33.
The square root of 57742107 is about 7598.8227377667. The cubic root of 57742107 is about 386.5130920870.
The spelling of 57742107 in words is "fifty-seven million, seven hundred forty-two thousand, one hundred seven".
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