Base | Representation |
---|---|
bin | 1010001100000… |
… | …01010011011111 |
3 | 12221211000221222 |
4 | 11012001103133 |
5 | 133334324122 |
6 | 12251443555 |
7 | 2055302006 |
oct | 506012337 |
9 | 187730858 |
10 | 85464287 |
11 | 44273647 |
12 | 247565bb |
13 | 149245ac |
14 | b4c9c3d |
15 | 7782b42 |
hex | 51814df |
85464287 has 8 divisors (see below), whose sum is σ = 90968832. Its totient is φ = 80012800.
The previous prime is 85464271. The next prime is 85464293. The reversal of 85464287 is 78246458.
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 85464287 - 24 = 85464271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85464257) 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 7 ways as a sum of consecutive naturals, for example, 9914 + ... + 16407.
It is an arithmetic number, because the mean of its divisors is an integer number (11371104).
Almost surely, 285464287 is an apocalyptic number.
85464287 is a deficient number, since it is larger than the sum of its proper divisors (5504545).
85464287 is a wasteful number, since it uses less digits than its factorization.
85464287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26529.
The product of its digits is 430080, while the sum is 44.
The square root of 85464287 is about 9244.6896648833. The cubic root of 85464287 is about 440.4820594776.
The spelling of 85464287 in words is "eighty-five million, four hundred sixty-four thousand, two hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •