Base | Representation |
---|---|
bin | 10001010010010… |
… | …000111001111011 |
3 | 202012200112220112 |
4 | 101102100321323 |
5 | 1043220004012 |
6 | 44435414535 |
7 | 10120651346 |
oct | 2122207173 |
9 | 665615815 |
10 | 290000507 |
11 | 139774745 |
12 | 8115444b |
13 | 48109544 |
14 | 2a72d45d |
15 | 1a6d6122 |
hex | 11490e7b |
290000507 has 2 divisors, whose sum is σ = 290000508. Its totient is φ = 290000506.
The previous prime is 290000497. The next prime is 290000531. The reversal of 290000507 is 705000092.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 290000507 - 28 = 290000251 is a prime.
It is not a weakly prime, because it can be changed into another prime (290000587) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145000253 + 145000254.
It is an arithmetic number, because the mean of its divisors is an integer number (145000254).
Almost surely, 2290000507 is an apocalyptic number.
290000507 is a deficient number, since it is larger than the sum of its proper divisors (1).
290000507 is an equidigital number, since it uses as much as digits as its factorization.
290000507 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 630, while the sum is 23.
The square root of 290000507 is about 17029.4012519525. The cubic root of 290000507 is about 661.9109805365.
Adding to 290000507 its reverse (705000092), we get a palindrome (995000599).
The spelling of 290000507 in words is "two hundred ninety million, five hundred seven", and thus it is an aban number.
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