Base | Representation |
---|---|
bin | 111001110110… |
… | …1010010100111 |
3 | 2010002000210001 |
4 | 1303231102213 |
5 | 30231111241 |
6 | 3002042131 |
7 | 515550460 |
oct | 163552247 |
9 | 63060701 |
10 | 30332071 |
11 | 16137a30 |
12 | a1a9347 |
13 | 6390193 |
14 | 4057d67 |
15 | 29e2431 |
hex | 1ced4a7 |
30332071 has 16 divisors (see below), whose sum is σ = 38700288. Its totient is φ = 23083200.
The previous prime is 30332069. The next prime is 30332111. The reversal of 30332071 is 17023303.
It is not a de Polignac number, because 30332071 - 21 = 30332069 is a prime.
It is a super-2 number, since 2×303320712 = 1840069062298082, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30332021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270 + ... + 7891.
It is an arithmetic number, because the mean of its divisors is an integer number (2418768).
Almost surely, 230332071 is an apocalyptic number.
30332071 is a deficient number, since it is larger than the sum of its proper divisors (8368217).
30332071 is a wasteful number, since it uses less digits than its factorization.
30332071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9222.
The product of its (nonzero) digits is 378, while the sum is 19.
The square root of 30332071 is about 5507.4559462605. The cubic root of 30332071 is about 311.8655149906.
Adding to 30332071 its reverse (17023303), we get a palindrome (47355374).
The spelling of 30332071 in words is "thirty million, three hundred thirty-two thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •