Base | Representation |
---|---|
bin | 111001100111… |
… | …0000100111111 |
3 | 2002211112101221 |
4 | 1303032010333 |
5 | 30213013343 |
6 | 2555214211 |
7 | 514505650 |
oct | 163160477 |
9 | 62745357 |
10 | 30204223 |
11 | 1605a975 |
12 | a147367 |
13 | 6346c2a |
14 | 4023527 |
15 | 29b95ed |
hex | 1cce13f |
30204223 has 16 divisors (see below), whose sum is σ = 37247040. Its totient is φ = 23901696.
The previous prime is 30204217. The next prime is 30204233. The reversal of 30204223 is 32240203.
It is not a de Polignac number, because 30204223 - 25 = 30204191 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30204197 and 30204206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30204233) 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, 3913 + ... + 8701.
It is an arithmetic number, because the mean of its divisors is an integer number (2327940).
Almost surely, 230204223 is an apocalyptic number.
30204223 is a deficient number, since it is larger than the sum of its proper divisors (7042817).
30204223 is a wasteful number, since it uses less digits than its factorization.
30204223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4866.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 30204223 is about 5495.8368789476. The cubic root of 30204223 is about 311.4267326375.
Adding to 30204223 its reverse (32240203), we get a palindrome (62444426).
The spelling of 30204223 in words is "thirty million, two hundred four thousand, two hundred twenty-three".
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