Base | Representation |
---|---|
bin | 111001100101… |
… | …0110100100011 |
3 | 2002210212002212 |
4 | 1303022310203 |
5 | 30212102013 |
6 | 2555032335 |
7 | 514422032 |
oct | 163126443 |
9 | 62725085 |
10 | 30190883 |
11 | 16050948 |
12 | a13b6ab |
13 | 6340b38 |
14 | 401c719 |
15 | 29b56a8 |
hex | 1ccad23 |
30190883 has 4 divisors (see below), whose sum is σ = 30927288. Its totient is φ = 29454480.
The previous prime is 30190843. The next prime is 30190903. The reversal of 30190883 is 38809103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38809103 = 547 ⋅70949.
It is a cyclic number.
It is not a de Polignac number, because 30190883 - 28 = 30190627 is a prime.
It is a super-2 number, since 2×301908832 = 1822978832639378, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30190843) 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 3 ways as a sum of consecutive naturals, for example, 368141 + ... + 368222.
It is an arithmetic number, because the mean of its divisors is an integer number (7731822).
Almost surely, 230190883 is an apocalyptic number.
30190883 is a deficient number, since it is larger than the sum of its proper divisors (736405).
30190883 is an equidigital number, since it uses as much as digits as its factorization.
30190883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 736404.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 30190883 is about 5494.6230989941. The cubic root of 30190883 is about 311.3808776326.
Adding to 30190883 its reverse (38809103), we get a palindrome (68999986).
The spelling of 30190883 in words is "thirty million, one hundred ninety thousand, eight hundred eighty-three".
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