Base | Representation |
---|---|
bin | 1001111011001… |
… | …00110010011011 |
3 | 12210122112222121 |
4 | 10331210302123 |
5 | 132303002311 |
6 | 12132202111 |
7 | 2030421223 |
oct | 475446233 |
9 | 183575877 |
10 | 83250331 |
11 | 42aa122a |
12 | 23a69337 |
13 | 1432a968 |
14 | b0b1083 |
15 | 7496b71 |
hex | 4f64c9b |
83250331 has 4 divisors (see below), whose sum is σ = 83293200. Its totient is φ = 83207464.
The previous prime is 83250313. The next prime is 83250341. The reversal of 83250331 is 13305238.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 83250331 - 27 = 83250203 is a prime.
It is a super-2 number, since 2×832503312 = 13861235223219122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 83250296 and 83250305.
It is not an unprimeable number, because it can be changed into a prime (83250311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18376 + ... + 22453.
It is an arithmetic number, because the mean of its divisors is an integer number (20823300).
Almost surely, 283250331 is an apocalyptic number.
83250331 is a deficient number, since it is larger than the sum of its proper divisors (42869).
83250331 is a wasteful number, since it uses less digits than its factorization.
83250331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42868.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 83250331 is about 9124.1619341176. The cubic root of 83250331 is about 436.6451657602.
Adding to 83250331 its reverse (13305238), we get a palindrome (96555569).
The spelling of 83250331 in words is "eighty-three million, two hundred fifty thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •