Base | Representation |
---|---|
bin | 111010001001… |
… | …1110001100111 |
3 | 2010101001000021 |
4 | 1310103301213 |
5 | 30301132303 |
6 | 3005300011 |
7 | 520105156 |
oct | 164236147 |
9 | 63331007 |
10 | 30489703 |
11 | 16235402 |
12 | a264607 |
13 | 6416b5a |
14 | 409959d |
15 | 2a23ebd |
hex | 1d13c67 |
30489703 has 2 divisors, whose sum is σ = 30489704. Its totient is φ = 30489702.
The previous prime is 30489673. The next prime is 30489707. The reversal of 30489703 is 30798403.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30489703 - 25 = 30489671 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30489707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15244851 + 15244852.
It is an arithmetic number, because the mean of its divisors is an integer number (15244852).
Almost surely, 230489703 is an apocalyptic number.
30489703 is a deficient number, since it is larger than the sum of its proper divisors (1).
30489703 is an equidigital number, since it uses as much as digits as its factorization.
30489703 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 30489703 is about 5521.7481833202. The cubic root of 30489703 is about 312.4048239225.
The spelling of 30489703 in words is "thirty million, four hundred eighty-nine thousand, seven hundred three".
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