Base | Representation |
---|---|
bin | 111001101001… |
… | …0101010100011 |
3 | 2002212111011210 |
4 | 1303102222203 |
5 | 30214114021 |
6 | 2555441203 |
7 | 514614510 |
oct | 163225243 |
9 | 62774153 |
10 | 30223011 |
11 | 16072aa5 |
12 | a156203 |
13 | 6352650 |
14 | 402a307 |
15 | 29bee76 |
hex | 1cd2aa3 |
30223011 has 32 divisors (see below), whose sum is σ = 49996800. Its totient is φ = 15813504.
The previous prime is 30223009. The next prime is 30223019. The reversal of 30223011 is 11032203.
It is a happy number.
It is not a de Polignac number, because 30223011 - 21 = 30223009 is a prime.
It is a super-2 number, since 2×302230112 = 1826860787812242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30223019) 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 31 ways as a sum of consecutive naturals, for example, 40306 + ... + 41048.
It is an arithmetic number, because the mean of its divisors is an integer number (1562400).
Almost surely, 230223011 is an apocalyptic number.
30223011 is a deficient number, since it is larger than the sum of its proper divisors (19773789).
30223011 is a wasteful number, since it uses less digits than its factorization.
30223011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 915.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 30223011 is about 5497.5459070389. The cubic root of 30223011 is about 311.4912917411.
Adding to 30223011 its reverse (11032203), we get a palindrome (41255214).
The spelling of 30223011 in words is "thirty million, two hundred twenty-three thousand, eleven".
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