Base | Representation |
---|---|
bin | 1000010110101… |
… | …10010101010101 |
3 | 11212212122001221 |
4 | 10023112111111 |
5 | 120420141200 |
6 | 10542050341 |
7 | 1510463212 |
oct | 413262525 |
9 | 155778057 |
10 | 70083925 |
11 | 366190aa |
12 | 1b5799b1 |
13 | 1169aaa2 |
14 | 9444b09 |
15 | 624591a |
hex | 42d6555 |
70083925 has 6 divisors (see below), whose sum is σ = 86904098. Its totient is φ = 56067120.
The previous prime is 70083919. The next prime is 70083947. The reversal of 70083925 is 52938007.
It can be written as a sum of positive squares in 3 ways, for example, as 16589329 + 53494596 = 4073^2 + 7314^2 .
It is a de Polignac number, because none of the positive numbers 2k-70083925 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 1401654 + ... + 1401703.
Almost surely, 270083925 is an apocalyptic number.
It is an amenable number.
70083925 is a deficient number, since it is larger than the sum of its proper divisors (16820173).
70083925 is a wasteful number, since it uses less digits than its factorization.
70083925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2803367 (or 2803362 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 70083925 is about 8371.6142409932. The cubic root of 70083925 is about 412.2931684250.
The spelling of 70083925 in words is "seventy million, eighty-three thousand, nine hundred twenty-five".
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