Base | Representation |
---|---|
bin | 1101101100001… |
… | …1101100101111 |
3 | 11000001110212021 |
4 | 3123003230233 |
5 | 104200042222 |
6 | 5410451011 |
7 | 1265046625 |
oct | 333035457 |
9 | 130043767 |
10 | 57424687 |
11 | 2a462021 |
12 | 17293a67 |
13 | bb87a08 |
14 | 78ab515 |
15 | 5094ac7 |
hex | 36c3b2f |
57424687 has 2 divisors, whose sum is σ = 57424688. Its totient is φ = 57424686.
The previous prime is 57424681. The next prime is 57424693. The reversal of 57424687 is 78642475.
It is a balanced prime because it is at equal distance from previous prime (57424681) and next prime (57424693).
It is a cyclic number.
It is not a de Polignac number, because 57424687 - 219 = 56900399 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57424681) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28712343 + 28712344.
It is an arithmetic number, because the mean of its divisors is an integer number (28712344).
Almost surely, 257424687 is an apocalyptic number.
57424687 is a deficient number, since it is larger than the sum of its proper divisors (1).
57424687 is an equidigital number, since it uses as much as digits as its factorization.
57424687 is an evil number, because the sum of its binary digits is even.
The product of its digits is 376320, while the sum is 43.
The square root of 57424687 is about 7577.9078247231. The cubic root of 57424687 is about 385.8035435278.
It can be divided in two parts, 5742468 and 7, that added together give a palindrome (5742475).
The spelling of 57424687 in words is "fifty-seven million, four hundred twenty-four thousand, six hundred eighty-seven".
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