Base | Representation |
---|---|
bin | 1000100000101011011111 |
3 | 11012100100220 |
4 | 20200223133 |
5 | 1032343012 |
6 | 115452423 |
7 | 24651252 |
oct | 10405337 |
9 | 4170326 |
10 | 2231007 |
11 | 1294209 |
12 | 8b7113 |
13 | 60162c |
14 | 421099 |
15 | 2e108c |
hex | 220adf |
2231007 has 4 divisors (see below), whose sum is σ = 2974680. Its totient is φ = 1487336.
The previous prime is 2230979. The next prime is 2231011. The reversal of 2231007 is 7001322.
2231007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 2231007 - 211 = 2228959 is a prime.
It is a super-3 number, since 3×22310073 = 33313790747726872029, which contains 333 as substring.
It is a D-number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371832 + ... + 371837.
It is an arithmetic number, because the mean of its divisors is an integer number (743670).
22231007 is an apocalyptic number.
2231007 is a deficient number, since it is larger than the sum of its proper divisors (743673).
2231007 is an equidigital number, since it uses as much as digits as its factorization.
2231007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 743672.
The product of its (nonzero) digits is 84, while the sum is 15.
The square root of 2231007 is about 1493.6555827901. The cubic root of 2231007 is about 130.6673181570.
Adding to 2231007 its reverse (7001322), we get a palindrome (9232329).
The spelling of 2231007 in words is "two million, two hundred thirty-one thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •