Base | Representation |
---|---|
bin | 111001101011… |
… | …0111000110100 |
3 | 2002220100220102 |
4 | 1303112320310 |
5 | 30220142213 |
6 | 3000053232 |
7 | 515016110 |
oct | 163267064 |
9 | 62810812 |
10 | 30240308 |
11 | 16084a9a |
12 | a164218 |
13 | 635a497 |
14 | 4032740 |
15 | 29c5158 |
hex | 1cd6e34 |
30240308 has 24 divisors (see below), whose sum is σ = 63111552. Its totient is φ = 12396384.
The previous prime is 30240307. The next prime is 30240311. The reversal of 30240308 is 80304203.
It is a self number, because there is not a number n which added to its sum of digits gives 30240308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30240307) 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, 22835 + ... + 24122.
It is an arithmetic number, because the mean of its divisors is an integer number (2629648).
Almost surely, 230240308 is an apocalyptic number.
It is an amenable number.
30240308 is an abundant number, since it is smaller than the sum of its proper divisors (32871244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30240308 is a wasteful number, since it uses less digits than its factorization.
30240308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46991 (or 46989 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 30240308 is about 5499.1188385049. The cubic root of 30240308 is about 311.5507038378.
The spelling of 30240308 in words is "thirty million, two hundred forty thousand, three hundred eight".
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