Base | Representation |
---|---|
bin | 111010111010… |
… | …0000011101001 |
3 | 2011010001222120 |
4 | 1311310003221 |
5 | 30401242243 |
6 | 3021541453 |
7 | 523340013 |
oct | 165640351 |
9 | 64101876 |
10 | 30884073 |
11 | 16484730 |
12 | a414889 |
13 | 65244cc |
14 | 415d1b3 |
15 | 2aa0c83 |
hex | 1d740e9 |
30884073 has 16 divisors (see below), whose sum is σ = 45094656. Its totient is φ = 18645840.
The previous prime is 30884059. The next prime is 30884129. The reversal of 30884073 is 37048803.
It is not a de Polignac number, because 30884073 - 224 = 14106857 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (30884473) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 7686 + ... + 10992.
It is an arithmetic number, because the mean of its divisors is an integer number (2818416).
Almost surely, 230884073 is an apocalyptic number.
30884073 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
30884073 is a deficient number, since it is larger than the sum of its proper divisors (14210583).
30884073 is a wasteful number, since it uses less digits than its factorization.
30884073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3604.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 30884073 is about 5557.3440598905. The cubic root of 30884073 is about 313.7459945627.
The spelling of 30884073 in words is "thirty million, eight hundred eighty-four thousand, seventy-three".
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