Base | Representation |
---|---|
bin | 1110100010000010001111 |
3 | 21011112112202 |
4 | 32202002033 |
5 | 1433400143 |
6 | 213352115 |
7 | 44244122 |
oct | 16420217 |
9 | 7145482 |
10 | 3809423 |
11 | 2172092 |
12 | 133863b |
13 | a34bc7 |
14 | 7123b9 |
15 | 503ab8 |
hex | 3a208f |
3809423 has 2 divisors, whose sum is σ = 3809424. Its totient is φ = 3809422.
The previous prime is 3809387. The next prime is 3809431. The reversal of 3809423 is 3249083.
It is a strong prime.
It is an emirp because it is prime and its reverse (3249083) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3809423 - 28 = 3809167 is a prime.
It is equal to p270596 and since 3809423 and 270596 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3809123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904711 + 1904712.
It is an arithmetic number, because the mean of its divisors is an integer number (1904712).
Almost surely, 23809423 is an apocalyptic number.
3809423 is a deficient number, since it is larger than the sum of its proper divisors (1).
3809423 is an equidigital number, since it uses as much as digits as its factorization.
3809423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 3809423 is about 1951.7743209705. The cubic root of 3809423 is about 156.1779554798.
The spelling of 3809423 in words is "three million, eight hundred nine thousand, four hundred twenty-three".
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