Base | Representation |
---|---|
bin | 110010011110… |
… | …000101010011 |
3 | 220220011201112 |
4 | 302132011103 |
5 | 11341333134 |
6 | 1151323535 |
7 | 220312436 |
oct | 62360523 |
9 | 26804645 |
10 | 13230419 |
11 | 7517234 |
12 | 45205ab |
13 | 2983067 |
14 | 1a8581d |
15 | 12651ce |
hex | c9e153 |
13230419 has 2 divisors, whose sum is σ = 13230420. Its totient is φ = 13230418.
The previous prime is 13230391. The next prime is 13230457. The reversal of 13230419 is 91403231.
13230419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13230419 - 216 = 13164883 is a prime.
It is a super-2 number, since 2×132304192 = 350087973831122, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 13230394 and 13230403.
It is not a weakly prime, because it can be changed into another prime (13230619) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615209 + 6615210.
It is an arithmetic number, because the mean of its divisors is an integer number (6615210).
Almost surely, 213230419 is an apocalyptic number.
13230419 is a deficient number, since it is larger than the sum of its proper divisors (1).
13230419 is an equidigital number, since it uses as much as digits as its factorization.
13230419 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 13230419 is about 3637.3642930012. The cubic root of 13230419 is about 236.5145516809.
The spelling of 13230419 in words is "thirteen million, two hundred thirty thousand, four hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •