Base | Representation |
---|---|
bin | 111001101011… |
… | …0111001011101 |
3 | 2002220100221221 |
4 | 1303112321131 |
5 | 30220142344 |
6 | 3000053341 |
7 | 515016166 |
oct | 163267135 |
9 | 62810857 |
10 | 30240349 |
11 | 16085027 |
12 | a164251 |
13 | 635a4c9 |
14 | 403276d |
15 | 29c5184 |
hex | 1cd6e5d |
30240349 has 2 divisors, whose sum is σ = 30240350. Its totient is φ = 30240348.
The previous prime is 30240319. The next prime is 30240389. The reversal of 30240349 is 94304203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20115225 + 10125124 = 4485^2 + 3182^2 .
It is a cyclic number.
It is not a de Polignac number, because 30240349 - 211 = 30238301 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30240319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15120174 + 15120175.
It is an arithmetic number, because the mean of its divisors is an integer number (15120175).
Almost surely, 230240349 is an apocalyptic number.
It is an amenable number.
30240349 is a deficient number, since it is larger than the sum of its proper divisors (1).
30240349 is an equidigital number, since it uses as much as digits as its factorization.
30240349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 25.
The square root of 30240349 is about 5499.1225663737. The cubic root of 30240349 is about 311.5508446385.
The spelling of 30240349 in words is "thirty million, two hundred forty thousand, three hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •