Base | Representation |
---|---|
bin | 1010001111111… |
… | …00010110100010 |
3 | 12222202122022202 |
4 | 11013330112202 |
5 | 134001441130 |
6 | 12310333202 |
7 | 2062501262 |
oct | 507742642 |
9 | 188678282 |
10 | 85968290 |
11 | 44588281 |
12 | 2495a202 |
13 | 14a6cb15 |
14 | b5bb7a2 |
15 | 7832145 |
hex | 51fc5a2 |
85968290 has 8 divisors (see below), whose sum is σ = 154742940. Its totient is φ = 34387312.
The previous prime is 85968283. The next prime is 85968317. The reversal of 85968290 is 9286958.
It can be written as a sum of positive squares in 2 ways, for example, as 80982001 + 4986289 = 8999^2 + 2233^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4298405 + ... + 4298424.
Almost surely, 285968290 is an apocalyptic number.
85968290 is a deficient number, since it is larger than the sum of its proper divisors (68774650).
85968290 is a wasteful number, since it uses less digits than its factorization.
85968290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8596836.
The product of its (nonzero) digits is 311040, while the sum is 47.
The square root of 85968290 is about 9271.9086492480. The cubic root of 85968290 is about 441.3462383745.
The spelling of 85968290 in words is "eighty-five million, nine hundred sixty-eight thousand, two hundred ninety".
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