Base | Representation |
---|---|
bin | 111001101101… |
… | …0000010100111 |
3 | 2002221000121202 |
4 | 1303122002213 |
5 | 30221100343 |
6 | 3000233115 |
7 | 515101550 |
oct | 163320247 |
9 | 62830552 |
10 | 30253223 |
11 | 16093770 |
12 | a16b79b |
13 | 6363320 |
14 | 4037327 |
15 | 29c8db8 |
hex | 1cda0a7 |
30253223 has 16 divisors (see below), whose sum is σ = 40621056. Its totient is φ = 21759840.
The previous prime is 30253213. The next prime is 30253231. The reversal of 30253223 is 32235203.
It is a cyclic number.
It is not a de Polignac number, because 30253223 - 24 = 30253207 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30253195 and 30253204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30253213) 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, 14111 + ... + 16112.
It is an arithmetic number, because the mean of its divisors is an integer number (2538816).
Almost surely, 230253223 is an apocalyptic number.
30253223 is a deficient number, since it is larger than the sum of its proper divisors (10367833).
30253223 is a wasteful number, since it uses less digits than its factorization.
30253223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30254.
The product of its (nonzero) digits is 1080, while the sum is 20.
The square root of 30253223 is about 5500.2929921960. The cubic root of 30253223 is about 311.5950497779.
Adding to 30253223 its reverse (32235203), we get a palindrome (62488426).
The spelling of 30253223 in words is "thirty million, two hundred fifty-three thousand, two hundred twenty-three".
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