Base | Representation |
---|---|
bin | 1010001000110… |
… | …10010010111101 |
3 | 12221000121012020 |
4 | 11010122102331 |
5 | 133232323430 |
6 | 12234430353 |
7 | 2051563632 |
oct | 504322275 |
9 | 187017166 |
10 | 85042365 |
11 | 44005651 |
12 | 245923b9 |
13 | 14807535 |
14 | b41a189 |
15 | 76ecb10 |
hex | 511a4bd |
85042365 has 16 divisors (see below), whose sum is σ = 136591488. Its totient is φ = 45181376.
The previous prime is 85042361. The next prime is 85042387. The reversal of 85042365 is 56324058.
It is a cyclic number.
It is not a de Polignac number, because 85042365 - 22 = 85042361 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85042361) 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 15 ways as a sum of consecutive naturals, for example, 6834 + ... + 14723.
It is an arithmetic number, because the mean of its divisors is an integer number (8536968).
Almost surely, 285042365 is an apocalyptic number.
It is an amenable number.
85042365 is a deficient number, since it is larger than the sum of its proper divisors (51549123).
85042365 is a wasteful number, since it uses less digits than its factorization.
85042365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21828.
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 85042365 is about 9221.8417357923. The cubic root of 85042365 is about 439.7560028044.
The spelling of 85042365 in words is "eighty-five million, forty-two thousand, three hundred sixty-five".
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