Base | Representation |
---|---|
bin | 111010001010… |
… | …0101001100011 |
3 | 2010101012220212 |
4 | 1310110221203 |
5 | 30301241113 |
6 | 3005324335 |
7 | 520121462 |
oct | 164245143 |
9 | 63335825 |
10 | 30493283 |
11 | 16238067 |
12 | a2666ab |
13 | 6418682 |
14 | 409a9d9 |
15 | 2a250a8 |
hex | 1d14a63 |
30493283 has 2 divisors, whose sum is σ = 30493284. Its totient is φ = 30493282.
The previous prime is 30493273. The next prime is 30493301. The reversal of 30493283 is 38239403.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (38239403) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30493283 - 26 = 30493219 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (30493273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15246641 + 15246642.
It is an arithmetic number, because the mean of its divisors is an integer number (15246642).
Almost surely, 230493283 is an apocalyptic number.
30493283 is a deficient number, since it is larger than the sum of its proper divisors (1).
30493283 is an equidigital number, since it uses as much as digits as its factorization.
30493283 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 32.
The square root of 30493283 is about 5522.0723465018. The cubic root of 30493283 is about 312.4170506240.
The spelling of 30493283 in words is "thirty million, four hundred ninety-three thousand, two hundred eighty-three".
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