Base | Representation |
---|---|
bin | 101010011010101… |
… | …1101111100011111 |
3 | 10200012012020212212 |
4 | 1110311131330133 |
5 | 10403331134211 |
6 | 353122151035 |
7 | 50161604525 |
oct | 12465357437 |
9 | 3605166785 |
10 | 1423302431 |
11 | 670465201 |
12 | 3387b247b |
13 | 198b4a0b5 |
14 | d705a315 |
15 | 84e4938b |
hex | 54d5df1f |
1423302431 has 2 divisors, whose sum is σ = 1423302432. Its totient is φ = 1423302430.
The previous prime is 1423302409. The next prime is 1423302449. The reversal of 1423302431 is 1342033241.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1423302431 - 26 = 1423302367 is a prime.
It is a super-2 number, since 2×14233024312 = 4051579620181019522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1423302397 and 1423302406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1423302401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711651215 + 711651216.
It is an arithmetic number, because the mean of its divisors is an integer number (711651216).
Almost surely, 21423302431 is an apocalyptic number.
1423302431 is a deficient number, since it is larger than the sum of its proper divisors (1).
1423302431 is an equidigital number, since it uses as much as digits as its factorization.
1423302431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 1423302431 is about 37726.6806252551. The cubic root of 1423302431 is about 1124.8615285700.
Adding to 1423302431 its reverse (1342033241), we get a palindrome (2765335672).
The spelling of 1423302431 in words is "one billion, four hundred twenty-three million, three hundred two thousand, four hundred thirty-one".
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