Base | Representation |
---|---|
bin | 11110010010010… |
… | …011000011111101 |
3 | 1022102002211012112 |
4 | 132102103003331 |
5 | 2020034110044 |
6 | 122230343405 |
7 | 15406614305 |
oct | 3622230375 |
9 | 1272084175 |
10 | 508113149 |
11 | 2408a8a25 |
12 | 1221bab65 |
13 | 81365b8b |
14 | 4b6a8605 |
15 | 2e91c09e |
hex | 1e4930fd |
508113149 has 2 divisors, whose sum is σ = 508113150. Its totient is φ = 508113148.
The previous prime is 508113139. The next prime is 508113161. The reversal of 508113149 is 941311805.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 368448025 + 139665124 = 19195^2 + 11818^2 .
It is a cyclic number.
It is not a de Polignac number, because 508113149 - 28 = 508112893 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (508113139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254056574 + 254056575.
It is an arithmetic number, because the mean of its divisors is an integer number (254056575).
Almost surely, 2508113149 is an apocalyptic number.
It is an amenable number.
508113149 is a deficient number, since it is larger than the sum of its proper divisors (1).
508113149 is an equidigital number, since it uses as much as digits as its factorization.
508113149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 32.
The square root of 508113149 is about 22541.3652869563. The cubic root of 508113149 is about 797.9704539702.
The spelling of 508113149 in words is "five hundred eight million, one hundred thirteen thousand, one hundred forty-nine".
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