Base | Representation |
---|---|
bin | 1001111011001… |
… | …11111000001001 |
3 | 12210200012100021 |
4 | 10331213320021 |
5 | 132303403420 |
6 | 12132340441 |
7 | 2030503141 |
oct | 475477011 |
9 | 183605307 |
10 | 83262985 |
11 | 42aaa793 |
12 | 23a74721 |
13 | 14333650 |
14 | b0b5921 |
15 | 749a7aa |
hex | 4f67e09 |
83262985 has 8 divisors (see below), whose sum is σ = 107601480. Its totient is φ = 61486464.
The previous prime is 83262979. The next prime is 83262989. The reversal of 83262985 is 58926238.
It can be written as a sum of positive squares in 4 ways, for example, as 11148921 + 72114064 = 3339^2 + 8492^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83262985 - 25 = 83262953 is a prime.
It is a super-2 number, since 2×832629852 = 13865449342220450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (83262989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640420 + ... + 640549.
It is an arithmetic number, because the mean of its divisors is an integer number (13450185).
Almost surely, 283262985 is an apocalyptic number.
It is an amenable number.
83262985 is a deficient number, since it is larger than the sum of its proper divisors (24338495).
83262985 is a wasteful number, since it uses less digits than its factorization.
83262985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1280987.
The product of its digits is 207360, while the sum is 43.
The square root of 83262985 is about 9124.8553413191. The cubic root of 83262985 is about 436.6672879065.
It can be divided in two parts, 8326 and 2985, that added together give a palindrome (11311).
The spelling of 83262985 in words is "eighty-three million, two hundred sixty-two thousand, nine hundred eighty-five".
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