Base | Representation |
---|---|
bin | 111010111010… |
… | …1100111110011 |
3 | 2011010101202222 |
4 | 1311311213303 |
5 | 30401443413 |
6 | 3022031255 |
7 | 523364501 |
oct | 165654763 |
9 | 64111688 |
10 | 30890483 |
11 | 16489528 |
12 | a41852b |
13 | 65273c0 |
14 | 4161671 |
15 | 2aa2b08 |
hex | 1d759f3 |
30890483 has 4 divisors (see below), whose sum is σ = 33266688. Its totient is φ = 28514280.
The previous prime is 30890459. The next prime is 30890521. The reversal of 30890483 is 38409803.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38409803 = 3613 ⋅10631.
It is a cyclic number.
It is not a de Polignac number, because 30890483 - 220 = 29841907 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30890413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188083 + ... + 1188108.
It is an arithmetic number, because the mean of its divisors is an integer number (8316672).
Almost surely, 230890483 is an apocalyptic number.
30890483 is a deficient number, since it is larger than the sum of its proper divisors (2376205).
30890483 is a wasteful number, since it uses less digits than its factorization.
30890483 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2376204.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 30890483 is about 5557.9207443072. The cubic root of 30890483 is about 313.7676990910.
The spelling of 30890483 in words is "thirty million, eight hundred ninety thousand, four hundred eighty-three".
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