Base | Representation |
---|---|
bin | 111010010111… |
… | …0000001101101 |
3 | 2010120111111201 |
4 | 1310232001231 |
5 | 30313102404 |
6 | 3011445501 |
7 | 521033515 |
oct | 164560155 |
9 | 63514451 |
10 | 30597229 |
11 | 162a9173 |
12 | a2b6891 |
13 | 6453a90 |
14 | 40c6845 |
15 | 2a45ca4 |
hex | 1d2e06d |
30597229 has 8 divisors (see below), whose sum is σ = 34889400. Its totient is φ = 26582016.
The previous prime is 30597227. The next prime is 30597251. The reversal of 30597229 is 92279503.
It can be written as a sum of positive squares in 4 ways, for example, as 9455625 + 21141604 = 3075^2 + 4598^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30597229 - 21 = 30597227 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30597227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69004 + ... + 69445.
It is an arithmetic number, because the mean of its divisors is an integer number (4361175).
Almost surely, 230597229 is an apocalyptic number.
It is an amenable number.
30597229 is a deficient number, since it is larger than the sum of its proper divisors (4292171).
30597229 is a wasteful number, since it uses less digits than its factorization.
30597229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138479.
The product of its (nonzero) digits is 34020, while the sum is 37.
The square root of 30597229 is about 5531.4762044142. The cubic root of 30597229 is about 312.7716387978.
The spelling of 30597229 in words is "thirty million, five hundred ninety-seven thousand, two hundred twenty-nine".
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