Base | Representation |
---|---|
bin | 111001011011… |
… | …1100100101100 |
3 | 2002122211221220 |
4 | 1302313210230 |
5 | 30202041134 |
6 | 2553223340 |
7 | 513643134 |
oct | 162674454 |
9 | 62584856 |
10 | 30112044 |
11 | 15aa7696 |
12 | a101b50 |
13 | 6313ca1 |
14 | 3ddbac4 |
15 | 299c149 |
hex | 1cb792c |
30112044 has 12 divisors (see below), whose sum is σ = 70261464. Its totient is φ = 10037344.
The previous prime is 30111971. The next prime is 30112051. The reversal of 30112044 is 44021103.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254657 + ... + 1254680.
It is an arithmetic number, because the mean of its divisors is an integer number (5855122).
Almost surely, 230112044 is an apocalyptic number.
It is an amenable number.
30112044 is an abundant number, since it is smaller than the sum of its proper divisors (40149420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30112044 is a wasteful number, since it uses less digits than its factorization.
30112044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2509344 (or 2509342 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 30112044 is about 5487.4442138394. Note that the first 3 decimals coincide. The cubic root of 30112044 is about 311.1095997470.
Adding to 30112044 its reverse (44021103), we get a palindrome (74133147).
The spelling of 30112044 in words is "thirty million, one hundred twelve thousand, forty-four".
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