Base | Representation |
---|---|
bin | 1101101010000… |
… | …0011111100010 |
3 | 10222210011001100 |
4 | 3122200133202 |
5 | 104130433412 |
6 | 5403415230 |
7 | 1263606330 |
oct | 332403742 |
9 | 128704040 |
10 | 57280482 |
11 | 2a373746 |
12 | 17224516 |
13 | bb3719c |
14 | 7870b50 |
15 | 5066edc |
hex | 36a07e2 |
57280482 has 48 divisors (see below), whose sum is σ = 142758720. Its totient is φ = 16259616.
The previous prime is 57280469. The next prime is 57280513. The reversal of 57280482 is 28408275.
It is a happy number.
57280482 is a `hidden beast` number, since 572 + 8 + 0 + 4 + 82 = 666.
57280482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 19144 + ... + 21932.
It is an arithmetic number, because the mean of its divisors is an integer number (2974140).
Almost surely, 257280482 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57280482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71379360).
57280482 is an abundant number, since it is smaller than the sum of its proper divisors (85478238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57280482 is a wasteful number, since it uses less digits than its factorization.
57280482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2967 (or 2964 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 57280482 is about 7568.3870144173. The cubic root of 57280482 is about 385.4803292561.
The spelling of 57280482 in words is "fifty-seven million, two hundred eighty thousand, four hundred eighty-two".
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