Base | Representation |
---|---|
bin | 101010011010111… |
… | …0110110011011111 |
3 | 10200012101102120010 |
4 | 1110311312303133 |
5 | 10403342414010 |
6 | 353124254303 |
7 | 50162510430 |
oct | 12465666337 |
9 | 3605342503 |
10 | 1423404255 |
11 | 670524759 |
12 | 338841393 |
13 | 198b84550 |
14 | d7085487 |
15 | 84e69620 |
hex | 54d76cdf |
1423404255 has 64 divisors (see below), whose sum is σ = 2813368320. Its totient is φ = 598427136.
The previous prime is 1423404253. The next prime is 1423404263. The reversal of 1423404255 is 5524043241.
It is not a de Polignac number, because 1423404255 - 21 = 1423404253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1423404253) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 398166 + ... + 401724.
It is an arithmetic number, because the mean of its divisors is an integer number (43958880).
Almost surely, 21423404255 is an apocalyptic number.
1423404255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1423404255 is a deficient number, since it is larger than the sum of its proper divisors (1389964065).
1423404255 is a wasteful number, since it uses less digits than its factorization.
1423404255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3880.
The product of its (nonzero) digits is 19200, while the sum is 30.
The square root of 1423404255 is about 37728.0300969982. The cubic root of 1423404255 is about 1124.8883523770. Note that the first 3 decimals are identical.
Adding to 1423404255 its reverse (5524043241), we get a palindrome (6947447496).
The spelling of 1423404255 in words is "one billion, four hundred twenty-three million, four hundred four thousand, two hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •