Base | Representation |
---|---|
bin | 1000011001000… |
… | …00000100000111 |
3 | 11220102222100012 |
4 | 10030200010013 |
5 | 121004322202 |
6 | 10552340435 |
7 | 1513161533 |
oct | 414400407 |
9 | 156388305 |
10 | 70385927 |
11 | 36804a97 |
12 | 1b6a471b |
13 | 117753a1 |
14 | 94c2bc3 |
15 | 62a5152 |
hex | 4320107 |
70385927 has 2 divisors, whose sum is σ = 70385928. Its totient is φ = 70385926.
The previous prime is 70385897. The next prime is 70385963. The reversal of 70385927 is 72958307.
It is a weak prime.
It is an emirp because it is prime and its reverse (72958307) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70385927 - 220 = 69337351 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70385527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35192963 + 35192964.
It is an arithmetic number, because the mean of its divisors is an integer number (35192964).
Almost surely, 270385927 is an apocalyptic number.
70385927 is a deficient number, since it is larger than the sum of its proper divisors (1).
70385927 is an equidigital number, since it uses as much as digits as its factorization.
70385927 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 105840, while the sum is 41.
The square root of 70385927 is about 8389.6321135077. The cubic root of 70385927 is about 412.8845305648.
The spelling of 70385927 in words is "seventy million, three hundred eighty-five thousand, nine hundred twenty-seven".
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