Base | Representation |
---|---|
bin | 100100110011… |
… | …1111111101011 |
3 | 1100022120002002 |
4 | 1021213333223 |
5 | 14420102311 |
6 | 1525401215 |
7 | 323023121 |
oct | 111477753 |
9 | 40276062 |
10 | 19300331 |
11 | a992696 |
12 | 656920b |
13 | 3cc9b1b |
14 | 27c5911 |
15 | 1a6393b |
hex | 1267feb |
19300331 has 2 divisors, whose sum is σ = 19300332. Its totient is φ = 19300330.
The previous prime is 19300319. The next prime is 19300343. The reversal of 19300331 is 13300391.
It is a balanced prime because it is at equal distance from previous prime (19300319) and next prime (19300343).
It is a cyclic number.
It is not a de Polignac number, because 19300331 - 214 = 19283947 is a prime.
It is a super-2 number, since 2×193003312 = 745005553419122, which contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (19300031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9650165 + 9650166.
It is an arithmetic number, because the mean of its divisors is an integer number (9650166).
Almost surely, 219300331 is an apocalyptic number.
19300331 is a deficient number, since it is larger than the sum of its proper divisors (1).
19300331 is an equidigital number, since it uses as much as digits as its factorization.
19300331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 243, while the sum is 20.
The square root of 19300331 is about 4393.2141991940. The cubic root of 19300331 is about 268.2387927004.
The spelling of 19300331 in words is "nineteen million, three hundred thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.032 sec. • engine limits •