Base | Representation |
---|---|
bin | 1111010011111… |
… | …1011101111111 |
3 | 11110211212112110 |
4 | 3310333131333 |
5 | 112420114403 |
6 | 10212305103 |
7 | 1406613240 |
oct | 364773577 |
9 | 143755473 |
10 | 64223103 |
11 | 3328584a |
12 | 19612193 |
13 | 103c8249 |
14 | 875acc7 |
15 | 5989103 |
hex | 3d3f77f |
64223103 has 32 divisors (see below), whose sum is σ = 103219200. Its totient is φ = 34742880.
The previous prime is 64223077. The next prime is 64223111. The reversal of 64223103 is 30132246.
It is a happy number.
It is not a de Polignac number, because 64223103 - 213 = 64214911 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 64223103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64223113) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29548 + ... + 31646.
It is an arithmetic number, because the mean of its divisors is an integer number (3225600).
Almost surely, 264223103 is an apocalyptic number.
64223103 is a deficient number, since it is larger than the sum of its proper divisors (38996097).
64223103 is a wasteful number, since it uses less digits than its factorization.
64223103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2187.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 64223103 is about 8013.9318065479. The cubic root of 64223103 is about 400.4642588675.
Adding to 64223103 its reverse (30132246), we get a palindrome (94355349).
The spelling of 64223103 in words is "sixty-four million, two hundred twenty-three thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •