Base | Representation |
---|---|
bin | 1011100110111000101001 |
3 | 12201121000102 |
4 | 23212320221 |
5 | 1234332412 |
6 | 145115145 |
7 | 34602206 |
oct | 13467051 |
9 | 5647012 |
10 | 3042857 |
11 | 1799164 |
12 | 1028ab5 |
13 | 82700c |
14 | 592cad |
15 | 4018c2 |
hex | 2e6e29 |
3042857 has 2 divisors, whose sum is σ = 3042858. Its totient is φ = 3042856.
The previous prime is 3042839. The next prime is 3042899. The reversal of 3042857 is 7582403.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2343961 + 698896 = 1531^2 + 836^2 .
It is an emirp because it is prime and its reverse (7582403) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3042857 - 210 = 3041833 is a prime.
It is not a weakly prime, because it can be changed into another prime (3042157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1521428 + 1521429.
It is an arithmetic number, because the mean of its divisors is an integer number (1521429).
Almost surely, 23042857 is an apocalyptic number.
It is an amenable number.
3042857 is a deficient number, since it is larger than the sum of its proper divisors (1).
3042857 is an equidigital number, since it uses as much as digits as its factorization.
3042857 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 3042857 is about 1744.3786859510. The cubic root of 3042857 is about 144.9084955765.
The spelling of 3042857 in words is "three million, forty-two thousand, eight hundred fifty-seven".
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