Base | Representation |
---|---|
bin | 111010000000… |
… | …0111010100101 |
3 | 2010020010001011 |
4 | 1310000322211 |
5 | 30241144303 |
6 | 3003502221 |
7 | 516334021 |
oct | 164007245 |
9 | 63203034 |
10 | 30412453 |
11 | 16192365 |
12 | a227971 |
13 | 63ba946 |
14 | 4079381 |
15 | 2a0b16d |
hex | 1d00ea5 |
30412453 has 2 divisors, whose sum is σ = 30412454. Its totient is φ = 30412452.
The previous prime is 30412451. The next prime is 30412469. The reversal of 30412453 is 35421403.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28227969 + 2184484 = 5313^2 + 1478^2 .
It is a cyclic number.
It is not a de Polignac number, because 30412453 - 21 = 30412451 is a prime.
Together with 30412451, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30412451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15206226 + 15206227.
It is an arithmetic number, because the mean of its divisors is an integer number (15206227).
Almost surely, 230412453 is an apocalyptic number.
It is an amenable number.
30412453 is a deficient number, since it is larger than the sum of its proper divisors (1).
30412453 is an equidigital number, since it uses as much as digits as its factorization.
30412453 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 30412453 is about 5514.7486796771. The cubic root of 30412453 is about 312.1407600943.
Adding to 30412453 its reverse (35421403), we get a palindrome (65833856).
The spelling of 30412453 in words is "thirty million, four hundred twelve thousand, four hundred fifty-three".
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