Base | Representation |
---|---|
bin | 1110110010100… |
… | …10100110001101 |
3 | 22122110102102202 |
4 | 13121102212031 |
5 | 223230222120 |
6 | 20151131245 |
7 | 3034402643 |
oct | 731224615 |
9 | 278412382 |
10 | 124070285 |
11 | 64041929 |
12 | 35673b25 |
13 | 1c920791 |
14 | 12699193 |
15 | ad5b875 |
hex | 765298d |
124070285 has 12 divisors (see below), whose sum is σ = 157135068. Its totient is φ = 94030848.
The previous prime is 124070281. The next prime is 124070291. The reversal of 124070285 is 582070421.
It can be written as a sum of positive squares in 2 ways, for example, as 41242084 + 82828201 = 6422^2 + 9101^2 .
It is not a de Polignac number, because 124070285 - 22 = 124070281 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124070281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32564 + ... + 36173.
It is an arithmetic number, because the mean of its divisors is an integer number (13094589).
Almost surely, 2124070285 is an apocalyptic number.
It is an amenable number.
124070285 is a deficient number, since it is larger than the sum of its proper divisors (33064783).
124070285 is an equidigital number, since it uses as much as digits as its factorization.
124070285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68780 (or 68761 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 124070285 is about 11138.6841682490. The cubic root of 124070285 is about 498.7572939221.
The spelling of 124070285 in words is "one hundred twenty-four million, seventy thousand, two hundred eighty-five".
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