Base | Representation |
---|---|
bin | 1000010110101… |
… | …10101000111111 |
3 | 11212212200210112 |
4 | 10023112220333 |
5 | 120420211213 |
6 | 10542100235 |
7 | 1510466660 |
oct | 413265077 |
9 | 155780715 |
10 | 70085183 |
11 | 3661a043 |
12 | 1b57a67b |
13 | 1169b52c |
14 | 9445367 |
15 | 6245ea8 |
hex | 42d6a3f |
70085183 has 8 divisors (see below), whose sum is σ = 81195168. Its totient is φ = 59249664.
The previous prime is 70085179. The next prime is 70085201. The reversal of 70085183 is 38158007.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70085183 - 22 = 70085179 is a prime.
It is a super-2 number, since 2×700851832 = 9823865752286978, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70085143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68066 + ... + 69087.
It is an arithmetic number, because the mean of its divisors is an integer number (10149396).
Almost surely, 270085183 is an apocalyptic number.
70085183 is a gapful number since it is divisible by the number (73) formed by its first and last digit.
70085183 is a deficient number, since it is larger than the sum of its proper divisors (11109985).
70085183 is a wasteful number, since it uses less digits than its factorization.
70085183 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137233.
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 70085183 is about 8371.6893755084. The cubic root of 70085183 is about 412.2956352851.
The spelling of 70085183 in words is "seventy million, eighty-five thousand, one hundred eighty-three".
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