Base | Representation |
---|---|
bin | 111001111111… |
… | …0100100100000 |
3 | 2010012121212102 |
4 | 1303332210200 |
5 | 30240342343 |
6 | 3003345532 |
7 | 516264020 |
oct | 163764440 |
9 | 63177772 |
10 | 30402848 |
11 | 16186123 |
12 | a2222a8 |
13 | 63b6468 |
14 | 4075a80 |
15 | 2a083b8 |
hex | 1cfe920 |
30402848 has 24 divisors (see below), whose sum is σ = 68406912. Its totient is φ = 13029696.
The previous prime is 30402797. The next prime is 30402859. The reversal of 30402848 is 84820403.
It is a super-2 number, since 2×304028482 = 1848666333022208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30402848.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 67640 + ... + 68087.
It is an arithmetic number, because the mean of its divisors is an integer number (2850288).
Almost surely, 230402848 is an apocalyptic number.
It is an amenable number.
30402848 is an abundant number, since it is smaller than the sum of its proper divisors (38004064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30402848 is a wasteful number, since it uses less digits than its factorization.
30402848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135744 (or 135736 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 29.
The square root of 30402848 is about 5513.8777643325. The cubic root of 30402848 is about 312.1078960602.
The spelling of 30402848 in words is "thirty million, four hundred two thousand, eight hundred forty-eight".
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