Base | Representation |
---|---|
bin | 1101110011010… |
… | …1010010011101 |
3 | 11000221010002012 |
4 | 3130311102131 |
5 | 104304434244 |
6 | 5424441005 |
7 | 1302025235 |
oct | 334652235 |
9 | 130833065 |
10 | 57889949 |
11 | 2a74a637 |
12 | 17479165 |
13 | bcbb710 |
14 | 798ccc5 |
15 | 513789e |
hex | 373549d |
57889949 has 8 divisors (see below), whose sum is σ = 63198072. Its totient is φ = 52704000.
The previous prime is 57889883. The next prime is 57889957. The reversal of 57889949 is 94998875.
It can be written as a sum of positive squares in 4 ways, for example, as 5428900 + 52461049 = 2330^2 + 7243^2 .
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 57889949 - 212 = 57885853 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57889969) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29552 + ... + 31449.
It is an arithmetic number, because the mean of its divisors is an integer number (7899759).
Almost surely, 257889949 is an apocalyptic number.
It is an amenable number.
57889949 is a deficient number, since it is larger than the sum of its proper divisors (5308123).
57889949 is a wasteful number, since it uses less digits than its factorization.
57889949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61087.
The product of its digits is 6531840, while the sum is 59.
The square root of 57889949 is about 7608.5444731565. The cubic root of 57889949 is about 386.8426850048.
The spelling of 57889949 in words is "fifty-seven million, eight hundred eighty-nine thousand, nine hundred forty-nine".
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