Base | Representation |
---|---|
bin | 111001101001… |
… | …0011101111111 |
3 | 2002212110002000 |
4 | 1303102131333 |
5 | 30214102312 |
6 | 2555433343 |
7 | 514612251 |
oct | 163223577 |
9 | 62773060 |
10 | 30222207 |
11 | 16072434 |
12 | a155853 |
13 | 6352182 |
14 | 4029cd1 |
15 | 29beadc |
hex | 1cd277f |
30222207 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 18786240.
The previous prime is 30222187. The next prime is 30222211. The reversal of 30222207 is 70222203.
It is not a de Polignac number, because 30222207 - 219 = 29697919 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30222207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30222287) 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 31 ways as a sum of consecutive naturals, for example, 24868 + ... + 26054.
It is an arithmetic number, because the mean of its divisors is an integer number (1496880).
Almost surely, 230222207 is an apocalyptic number.
30222207 is a deficient number, since it is larger than the sum of its proper divisors (17677953).
30222207 is a wasteful number, since it uses less digits than its factorization.
30222207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1260 (or 1254 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 30222207 is about 5497.4727830158. The cubic root of 30222207 is about 311.4885295939.
The spelling of 30222207 in words is "thirty million, two hundred twenty-two thousand, two hundred seven".
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