Base | Representation |
---|---|
bin | 111001101000… |
… | …0001000111011 |
3 | 2002211221222200 |
4 | 1303100020323 |
5 | 30213301132 |
6 | 2555321243 |
7 | 514542402 |
oct | 163201073 |
9 | 62757880 |
10 | 30212667 |
11 | 16066251 |
12 | a150223 |
13 | 634aa24 |
14 | 4026639 |
15 | 29bbd7c |
hex | 1cd023b |
30212667 has 12 divisors (see below), whose sum is σ = 43801680. Its totient is φ = 20067408.
The previous prime is 30212659. The next prime is 30212671. The reversal of 30212667 is 76621203.
It is a happy number.
It is not a de Polignac number, because 30212667 - 23 = 30212659 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30212667.
It is not an unprimeable number, because it can be changed into a prime (30212167) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3567 + ... + 8552.
It is an arithmetic number, because the mean of its divisors is an integer number (3650140).
Almost surely, 230212667 is an apocalyptic number.
30212667 is a deficient number, since it is larger than the sum of its proper divisors (13589013).
30212667 is a wasteful number, since it uses less digits than its factorization.
30212667 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12402 (or 12399 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 30212667 is about 5496.6050431153. The cubic root of 30212667 is about 311.4557511218.
The spelling of 30212667 in words is "thirty million, two hundred twelve thousand, six hundred sixty-seven".
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