Base | Representation |
---|---|
bin | 1101110001000… |
… | …1110110001100 |
3 | 11000122201221120 |
4 | 3130101312030 |
5 | 104240313110 |
6 | 5421400540 |
7 | 1300552062 |
oct | 334216614 |
9 | 130581846 |
10 | 57744780 |
11 | 2a660565 |
12 | 17409150 |
13 | bc6a612 |
14 | 7952032 |
15 | 5109870 |
hex | 3711d8c |
57744780 has 24 divisors (see below), whose sum is σ = 161685552. Its totient is φ = 15398592.
The previous prime is 57744773. The next prime is 57744803. The reversal of 57744780 is 8744775.
57744780 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 7 ways as a sum of consecutive naturals, for example, 481147 + ... + 481266.
It is an arithmetic number, because the mean of its divisors is an integer number (6736898).
Almost surely, 257744780 is an apocalyptic number.
It is an amenable number.
57744780 is an abundant number, since it is smaller than the sum of its proper divisors (103940772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57744780 is a wasteful number, since it uses less digits than its factorization.
57744780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 962425 (or 962423 counting only the distinct ones).
The product of its (nonzero) digits is 219520, while the sum is 42.
The square root of 57744780 is about 7598.9986182391. The cubic root of 57744780 is about 386.5190561550.
The spelling of 57744780 in words is "fifty-seven million, seven hundred forty-four thousand, seven hundred eighty".
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