Base | Representation |
---|---|
bin | 100100011110… |
… | …0110000101001 |
3 | 1022222120011012 |
4 | 1020330300221 |
5 | 14343420431 |
6 | 1521513305 |
7 | 321354614 |
oct | 110746051 |
9 | 38876135 |
10 | 19123241 |
11 | a881635 |
12 | 64a2835 |
13 | 3c67337 |
14 | 277b17b |
15 | 1a2b22b |
hex | 123cc29 |
19123241 has 2 divisors, whose sum is σ = 19123242. Its totient is φ = 19123240.
The previous prime is 19123229. The next prime is 19123277. The reversal of 19123241 is 14232191.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13169641 + 5953600 = 3629^2 + 2440^2 .
It is a cyclic number.
It is not a de Polignac number, because 19123241 - 218 = 18861097 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (19123541) 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 as a sum of consecutive naturals, namely, 9561620 + 9561621.
It is an arithmetic number, because the mean of its divisors is an integer number (9561621).
Almost surely, 219123241 is an apocalyptic number.
It is an amenable number.
19123241 is a deficient number, since it is larger than the sum of its proper divisors (1).
19123241 is an equidigital number, since it uses as much as digits as its factorization.
19123241 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 432, while the sum is 23.
The square root of 19123241 is about 4373.0128058354. The cubic root of 19123241 is about 267.4158631365.
It can be divided in two parts, 191 and 23241, that added together give a palindrome (23432).
The spelling of 19123241 in words is "nineteen million, one hundred twenty-three thousand, two hundred forty-one".
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