Base | Representation |
---|---|
bin | 1010001100111… |
… | …1011111100001 |
3 | 2222112002212022 |
4 | 2203033133201 |
5 | 41423333204 |
6 | 4125111225 |
7 | 1026506504 |
oct | 243173741 |
9 | 88462768 |
10 | 42792929 |
11 | 22178a63 |
12 | 123b8515 |
13 | 8b33b7a |
14 | 597d13b |
15 | 3b545be |
hex | 28cf7e1 |
42792929 has 2 divisors, whose sum is σ = 42792930. Its totient is φ = 42792928.
The previous prime is 42792923. The next prime is 42793007. The reversal of 42792929 is 92929724.
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., 36300625 + 6492304 = 6025^2 + 2548^2 .
It is a cyclic number.
It is not a de Polignac number, because 42792929 - 224 = 26015713 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 42792929.
It is not a weakly prime, because it can be changed into another prime (42792923) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21396464 + 21396465.
It is an arithmetic number, because the mean of its divisors is an integer number (21396465).
Almost surely, 242792929 is an apocalyptic number.
It is an amenable number.
42792929 is a deficient number, since it is larger than the sum of its proper divisors (1).
42792929 is an equidigital number, since it uses as much as digits as its factorization.
42792929 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 163296, while the sum is 44.
The square root of 42792929 is about 6541.6304542522. The cubic root of 42792929 is about 349.7765349052.
The spelling of 42792929 in words is "forty-two million, seven hundred ninety-two thousand, nine hundred twenty-nine".
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