Base | Representation |
---|---|
bin | 1101110001110… |
… | …0101001000101 |
3 | 11000201222121020 |
4 | 3130130221011 |
5 | 104243221442 |
6 | 5422341353 |
7 | 1301125020 |
oct | 334345105 |
9 | 130658536 |
10 | 57788997 |
11 | 2a690802 |
12 | 1742a859 |
13 | bc84796 |
14 | 79641b7 |
15 | 51179ec |
hex | 371ca45 |
57788997 has 8 divisors (see below), whose sum is σ = 88059456. Its totient is φ = 33022272.
The previous prime is 57788993. The next prime is 57789007. The reversal of 57788997 is 79988775.
57788997 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 57788997 - 22 = 57788993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57788997.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57788993) 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, 1375908 + ... + 1375949.
It is an arithmetic number, because the mean of its divisors is an integer number (11007432).
Almost surely, 257788997 is an apocalyptic number.
It is an amenable number.
57788997 is a deficient number, since it is larger than the sum of its proper divisors (30270459).
57788997 is a wasteful number, since it uses less digits than its factorization.
57788997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2751867.
The product of its digits is 8890560, while the sum is 60.
The square root of 57788997 is about 7601.9074580003. The cubic root of 57788997 is about 386.6176875965.
It can be divided in two parts, 57788 and 997, that added together give a palindrome (58785).
The spelling of 57788997 in words is "fifty-seven million, seven hundred eighty-eight thousand, nine hundred ninety-seven".
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