Base | Representation |
---|---|
bin | 111001010100… |
… | …1000001011011 |
3 | 2002112211012110 |
4 | 1302221001123 |
5 | 30143134233 |
6 | 2552043403 |
7 | 513304311 |
oct | 162510133 |
9 | 62484173 |
10 | 30052443 |
11 | 15a66933 |
12 | a093563 |
13 | 62c2b15 |
14 | 3dc40b1 |
15 | 2989663 |
hex | 1ca905b |
30052443 has 16 divisors (see below), whose sum is σ = 41170976. Its totient is φ = 19491840.
The previous prime is 30052441. The next prime is 30052453. The reversal of 30052443 is 34425003.
It is a happy number.
It is not a de Polignac number, because 30052443 - 21 = 30052441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30052441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16905 + ... + 18597.
It is an arithmetic number, because the mean of its divisors is an integer number (2573186).
Almost surely, 230052443 is an apocalyptic number.
30052443 is a deficient number, since it is larger than the sum of its proper divisors (11118533).
30052443 is a wasteful number, since it uses less digits than its factorization.
30052443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1854.
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 30052443 is about 5482.0108536923. The cubic root of 30052443 is about 310.9042036331.
Adding to 30052443 its reverse (34425003), we get a palindrome (64477446).
The spelling of 30052443 in words is "thirty million, fifty-two thousand, four hundred forty-three".
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