Base | Representation |
---|---|
bin | 1010001000110… |
… | …01011110011111 |
3 | 12221000102120212 |
4 | 11010121132133 |
5 | 133232222012 |
6 | 12234403035 |
7 | 2051551064 |
oct | 504313637 |
9 | 187012525 |
10 | 85039007 |
11 | 44003079 |
12 | 2459047b |
13 | 14805b51 |
14 | b418c6b |
15 | 76ebb22 |
hex | 511979f |
85039007 has 2 divisors, whose sum is σ = 85039008. Its totient is φ = 85039006.
The previous prime is 85038971. The next prime is 85039021. The reversal of 85039007 is 70093058.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 85039007 - 218 = 84776863 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 (85039067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42519503 + 42519504.
It is an arithmetic number, because the mean of its divisors is an integer number (42519504).
Almost surely, 285039007 is an apocalyptic number.
85039007 is a deficient number, since it is larger than the sum of its proper divisors (1).
85039007 is an equidigital number, since it uses as much as digits as its factorization.
85039007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 85039007 is about 9221.6596662423. The cubic root of 85039007 is about 439.7502146301.
The spelling of 85039007 in words is "eighty-five million, thirty-nine thousand, seven".
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