Base | Representation |
---|---|
bin | 111001111011… |
… | …0110111001011 |
3 | 2010011000120001 |
4 | 1303312313023 |
5 | 30233340100 |
6 | 3002543431 |
7 | 516102664 |
oct | 163666713 |
9 | 63130501 |
10 | 30371275 |
11 | 16164430 |
12 | a207b77 |
13 | 63a4c8c |
14 | 406836b |
15 | 29edd6a |
hex | 1cf6dcb |
30371275 has 12 divisors (see below), whose sum is σ = 41084424. Its totient is φ = 22088000.
The previous prime is 30371273. The next prime is 30371281. The reversal of 30371275 is 57217303.
It is not a de Polignac number, because 30371275 - 21 = 30371273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30371273) 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 11 ways as a sum of consecutive naturals, for example, 54946 + ... + 55495.
It is an arithmetic number, because the mean of its divisors is an integer number (3423702).
Almost surely, 230371275 is an apocalyptic number.
30371275 is a deficient number, since it is larger than the sum of its proper divisors (10713149).
30371275 is a wasteful number, since it uses less digits than its factorization.
30371275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110462 (or 110457 counting only the distinct ones).
The product of its (nonzero) digits is 4410, while the sum is 28.
The square root of 30371275 is about 5511.0139720382. The cubic root of 30371275 is about 311.9998185129. Note that the first 3 decimals are identical.
Adding to 30371275 its reverse (57217303), we get a palindrome (87588578).
The spelling of 30371275 in words is "thirty million, three hundred seventy-one thousand, two hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.026 sec. • engine limits •