Base | Representation |
---|---|
bin | 1101101101011… |
… | …1001010010111 |
3 | 11000012112012212 |
4 | 3123113022113 |
5 | 104210120112 |
6 | 5412304035 |
7 | 1265531222 |
oct | 333271227 |
9 | 130175185 |
10 | 57504407 |
11 | 2a506a04 |
12 | 1731201b |
13 | bbb509c |
14 | 78cc5b9 |
15 | 50ad522 |
hex | 36d7297 |
57504407 has 2 divisors, whose sum is σ = 57504408. Its totient is φ = 57504406.
The previous prime is 57504379. The next prime is 57504449. The reversal of 57504407 is 70440575.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 57504407 - 214 = 57488023 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57507407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28752203 + 28752204.
It is an arithmetic number, because the mean of its divisors is an integer number (28752204).
Almost surely, 257504407 is an apocalyptic number.
57504407 is a deficient number, since it is larger than the sum of its proper divisors (1).
57504407 is an equidigital number, since it uses as much as digits as its factorization.
57504407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 19600, while the sum is 32.
The square root of 57504407 is about 7583.1660274585. The cubic root of 57504407 is about 385.9819919651.
The spelling of 57504407 in words is "fifty-seven million, five hundred four thousand, four hundred seven".
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