Base | Representation |
---|---|
bin | 101100000001… |
… | …0001000110101 |
3 | 1121102110021121 |
4 | 1120002020311 |
5 | 21401434204 |
6 | 2142343541 |
7 | 400104064 |
oct | 130021065 |
9 | 47373247 |
10 | 23077429 |
11 | 12032461 |
12 | 788abb1 |
13 | 4a200ab |
14 | 30ca1db |
15 | 205cb54 |
hex | 1602235 |
23077429 has 2 divisors, whose sum is σ = 23077430. Its totient is φ = 23077428.
The previous prime is 23077427. The next prime is 23077447. The reversal of 23077429 is 92477032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23059204 + 18225 = 4802^2 + 135^2 .
It is a cyclic number.
It is not a de Polignac number, because 23077429 - 21 = 23077427 is a prime.
Together with 23077427, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 23077394 and 23077403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23077421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11538714 + 11538715.
It is an arithmetic number, because the mean of its divisors is an integer number (11538715).
Almost surely, 223077429 is an apocalyptic number.
It is an amenable number.
23077429 is a deficient number, since it is larger than the sum of its proper divisors (1).
23077429 is an equidigital number, since it uses as much as digits as its factorization.
23077429 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21168, while the sum is 34.
The square root of 23077429 is about 4803.8972720074. The cubic root of 23077429 is about 284.7054677540.
The spelling of 23077429 in words is "twenty-three million, seventy-seven thousand, four hundred twenty-nine".
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