Base | Representation |
---|---|
bin | 1010001111111… |
… | …00010001111111 |
3 | 12222202121220222 |
4 | 11013330101333 |
5 | 134001433444 |
6 | 12310331555 |
7 | 2062500365 |
oct | 507742177 |
9 | 188677828 |
10 | 85967999 |
11 | 44588037 |
12 | 24959bbb |
13 | 14a6c950 |
14 | b5bb635 |
15 | 7831eee |
hex | 51fc47f |
85967999 has 8 divisors (see below), whose sum is σ = 92682912. Its totient is φ = 79267680.
The previous prime is 85967969. The next prime is 85968011. The reversal of 85967999 is 99976958.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-85967999 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 (85967969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10709 + ... + 16929.
It is an arithmetic number, because the mean of its divisors is an integer number (11585364).
Almost surely, 285967999 is an apocalyptic number.
85967999 is a deficient number, since it is larger than the sum of its proper divisors (6714913).
85967999 is a wasteful number, since it uses less digits than its factorization.
85967999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7297.
The product of its digits is 11022480, while the sum is 62.
The square root of 85967999 is about 9271.8929566729. The cubic root of 85967999 is about 441.3457403928.
The spelling of 85967999 in words is "eighty-five million, nine hundred sixty-seven thousand, nine hundred ninety-nine".
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