Base | Representation |
---|---|
bin | 111001101001… |
… | …1111101010110 |
3 | 2002212202110001 |
4 | 1303103331112 |
5 | 30214301220 |
6 | 2555521514 |
7 | 514636120 |
oct | 163237526 |
9 | 62782401 |
10 | 30228310 |
11 | 16076a82 |
12 | a15929a |
13 | 6354b98 |
14 | 402c210 |
15 | 29c180a |
hex | 1cd3f56 |
30228310 has 16 divisors (see below), whose sum is σ = 62184096. Its totient is φ = 10363968.
The previous prime is 30228307. The next prime is 30228311. The reversal of 30228310 is 1382203.
It is a happy number.
It is a super-2 number, since 2×302283102 = 1827501450912200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30228311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215847 + ... + 215986.
It is an arithmetic number, because the mean of its divisors is an integer number (3886506).
Almost surely, 230228310 is an apocalyptic number.
30228310 is an abundant number, since it is smaller than the sum of its proper divisors (31955786).
30228310 is a wasteful number, since it uses less digits than its factorization.
30228310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431847.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 30228310 is about 5498.0278282308. The cubic root of 30228310 is about 311.5094952649.
The spelling of 30228310 in words is "thirty million, two hundred twenty-eight thousand, three hundred ten".
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