Base | Representation |
---|---|
bin | 101011111011… |
… | …0101011110111 |
3 | 1121100001221012 |
4 | 1113312223313 |
5 | 21343434034 |
6 | 2141342435 |
7 | 366520241 |
oct | 127665367 |
9 | 47301835 |
10 | 23030519 |
11 | 12000196 |
12 | 7867a1b |
13 | 4a04935 |
14 | 30b7091 |
15 | 204dcce |
hex | 15f6af7 |
23030519 has 2 divisors, whose sum is σ = 23030520. Its totient is φ = 23030518.
The previous prime is 23030509. The next prime is 23030537. The reversal of 23030519 is 91503032.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23030519 is a prime.
It is a super-2 number, since 2×230305192 = 1060809610818722, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 23030494 and 23030503.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23030509) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515259 + 11515260.
It is an arithmetic number, because the mean of its divisors is an integer number (11515260).
Almost surely, 223030519 is an apocalyptic number.
23030519 is a deficient number, since it is larger than the sum of its proper divisors (1).
23030519 is an equidigital number, since it uses as much as digits as its factorization.
23030519 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 810, while the sum is 23.
The square root of 23030519 is about 4799.0122942122. The cubic root of 23030519 is about 284.5124278637.
The spelling of 23030519 in words is "twenty-three million, thirty thousand, five hundred nineteen".
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