Base | Representation |
---|---|
bin | 101011111011… |
… | …1011111011011 |
3 | 1121100020110102 |
4 | 1113313133123 |
5 | 21344040234 |
6 | 2141410015 |
7 | 366532664 |
oct | 127673733 |
9 | 47306412 |
10 | 23033819 |
11 | 12002716 |
12 | 786990b |
13 | 4a062a3 |
14 | 30b836b |
15 | 204ec7e |
hex | 15f77db |
23033819 has 2 divisors, whose sum is σ = 23033820. Its totient is φ = 23033818.
The previous prime is 23033797. The next prime is 23033821. The reversal of 23033819 is 91833032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23033819 - 212 = 23029723 is a prime.
It is a super-2 number, since 2×230338192 = 1061113635449522, which contains 22 as substring.
Together with 23033821, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 23033791 and 23033800.
It is not a weakly prime, because it can be changed into another prime (23033839) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516909 + 11516910.
It is an arithmetic number, because the mean of its divisors is an integer number (11516910).
Almost surely, 223033819 is an apocalyptic number.
23033819 is a deficient number, since it is larger than the sum of its proper divisors (1).
23033819 is an equidigital number, since it uses as much as digits as its factorization.
23033819 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 23033819 is about 4799.3561026454. The cubic root of 23033819 is about 284.5260162992.
The spelling of 23033819 in words is "twenty-three million, thirty-three thousand, eight hundred nineteen".
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