Base | Representation |
---|---|
bin | 111001010001… |
… | …1011010001101 |
3 | 2002111122122222 |
4 | 1302203122031 |
5 | 30141420303 |
6 | 2551345125 |
7 | 513150266 |
oct | 162433215 |
9 | 62448588 |
10 | 30029453 |
11 | 15a50633 |
12 | a0821a5 |
13 | 62b550c |
14 | 3db996d |
15 | 2982938 |
hex | 1ca368d |
30029453 has 2 divisors, whose sum is σ = 30029454. Its totient is φ = 30029452.
The previous prime is 30029431. The next prime is 30029479. The reversal of 30029453 is 35492003.
It is an a-pointer prime, because the next prime (30029479) can be obtained adding 30029453 to its sum of digits (26).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27008809 + 3020644 = 5197^2 + 1738^2 .
It is a cyclic number.
It is not a de Polignac number, because 30029453 - 222 = 25835149 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30029423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15014726 + 15014727.
It is an arithmetic number, because the mean of its divisors is an integer number (15014727).
Almost surely, 230029453 is an apocalyptic number.
It is an amenable number.
30029453 is a deficient number, since it is larger than the sum of its proper divisors (1).
30029453 is an equidigital number, since it uses as much as digits as its factorization.
30029453 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 30029453 is about 5479.9135942093. The cubic root of 30029453 is about 310.8249032462.
The spelling of 30029453 in words is "thirty million, twenty-nine thousand, four hundred fifty-three".
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