Base | Representation |
---|---|
bin | 1010001111000… |
… | …1001010001011 |
3 | 2222210010000122 |
4 | 2203301022023 |
5 | 41442241302 |
6 | 4132053455 |
7 | 1030622522 |
oct | 243611213 |
9 | 88703018 |
10 | 42930827 |
11 | 22262625 |
12 | 1246428b |
13 | 8b81874 |
14 | 59b74b9 |
15 | 3b803a2 |
hex | 28f128b |
42930827 has 2 divisors, whose sum is σ = 42930828. Its totient is φ = 42930826.
The previous prime is 42930809. The next prime is 42930829. The reversal of 42930827 is 72803924.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 42930827 - 28 = 42930571 is a prime.
Together with 42930829, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (42930829) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21465413 + 21465414.
It is an arithmetic number, because the mean of its divisors is an integer number (21465414).
Almost surely, 242930827 is an apocalyptic number.
42930827 is a deficient number, since it is larger than the sum of its proper divisors (1).
42930827 is an equidigital number, since it uses as much as digits as its factorization.
42930827 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 42930827 is about 6552.1620095965. The cubic root of 42930827 is about 350.1518443183.
The spelling of 42930827 in words is "forty-two million, nine hundred thirty thousand, eight hundred twenty-seven".
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