Base | Representation |
---|---|
bin | 1010001101011… |
… | …1000001111001 |
3 | 2222120200012201 |
4 | 2203113001321 |
5 | 41430330201 |
6 | 4125510201 |
7 | 1026665506 |
oct | 243270171 |
9 | 88520181 |
10 | 42823801 |
11 | 2219a179 |
12 | 12412361 |
13 | 8b44c37 |
14 | 598a4ad |
15 | 3b5d801 |
hex | 28d7079 |
42823801 has 2 divisors, whose sum is σ = 42823802. Its totient is φ = 42823800.
The previous prime is 42823789. The next prime is 42823813. The reversal of 42823801 is 10832824.
42823801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a balanced prime because it is at equal distance from previous prime (42823789) and next prime (42823813).
It can be written as a sum of positive squares in only one way, i.e., 31933801 + 10890000 = 5651^2 + 3300^2 .
It is a cyclic number.
It is not a de Polignac number, because 42823801 - 219 = 42299513 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42823801.
It is not a weakly prime, because it can be changed into another prime (42823301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21411900 + 21411901.
It is an arithmetic number, because the mean of its divisors is an integer number (21411901).
Almost surely, 242823801 is an apocalyptic number.
It is an amenable number.
42823801 is a deficient number, since it is larger than the sum of its proper divisors (1).
42823801 is an equidigital number, since it uses as much as digits as its factorization.
42823801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 42823801 is about 6543.9896851997. The cubic root of 42823801 is about 349.8606275014.
The spelling of 42823801 in words is "forty-two million, eight hundred twenty-three thousand, eight hundred one".
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