Base | Representation |
---|---|
bin | 1101110001000… |
… | …0100111110000 |
3 | 11000122111001122 |
4 | 3130100213300 |
5 | 104240133020 |
6 | 5421321412 |
7 | 1300531331 |
oct | 334204760 |
9 | 130574048 |
10 | 57739760 |
11 | 2a657811 |
12 | 17406268 |
13 | bc68250 |
14 | 7950288 |
15 | 5108125 |
hex | 37109f0 |
57739760 has 80 divisors (see below), whose sum is σ = 147178080. Its totient is φ = 20935680.
The previous prime is 57739753. The next prime is 57739793. The reversal of 57739760 is 6793775.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60890 + ... + 61830.
It is an arithmetic number, because the mean of its divisors is an integer number (1839726).
Almost surely, 257739760 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57739760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73589040).
57739760 is an abundant number, since it is smaller than the sum of its proper divisors (89438320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57739760 is a wasteful number, since it uses less digits than its factorization.
57739760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1026 (or 1020 counting only the distinct ones).
The product of its (nonzero) digits is 277830, while the sum is 44.
The square root of 57739760 is about 7598.6683043807. The cubic root of 57739760 is about 386.5078552471.
The spelling of 57739760 in words is "fifty-seven million, seven hundred thirty-nine thousand, seven hundred sixty".
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