Base | Representation |
---|---|
bin | 1000010110010… |
… | …10111100101001 |
3 | 11212210021002200 |
4 | 10023022330221 |
5 | 120412143124 |
6 | 10541050413 |
7 | 1510210230 |
oct | 413127451 |
9 | 155707080 |
10 | 70037289 |
11 | 36597063 |
12 | 1b556a09 |
13 | 116827aa |
14 | 9431b17 |
15 | 6236bc9 |
hex | 42caf29 |
70037289 has 12 divisors (see below), whose sum is σ = 115617216. Its totient is φ = 40021272.
The previous prime is 70037281. The next prime is 70037293. The reversal of 70037289 is 98273007.
It is not a de Polignac number, because 70037289 - 23 = 70037281 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (70037281) 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 in 11 ways as a sum of consecutive naturals, for example, 555789 + ... + 555914.
It is an arithmetic number, because the mean of its divisors is an integer number (9634768).
Almost surely, 270037289 is an apocalyptic number.
It is an amenable number.
70037289 is a deficient number, since it is larger than the sum of its proper divisors (45579927).
70037289 is a wasteful number, since it uses less digits than its factorization.
70037289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1111716 (or 1111713 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 70037289 is about 8368.8284126274. The cubic root of 70037289 is about 412.2016972796.
The spelling of 70037289 in words is "seventy million, thirty-seven thousand, two hundred eighty-nine".
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