Base | Representation |
---|---|
bin | 101011001110… |
… | …1000001101000 |
3 | 1120122102011110 |
4 | 1112131001220 |
5 | 21300211042 |
6 | 2125430320 |
7 | 363430452 |
oct | 126350150 |
9 | 46572143 |
10 | 22663272 |
11 | 1187a285 |
12 | 770b3a0 |
13 | 4906728 |
14 | 301d2d2 |
15 | 1eca09c |
hex | 159d068 |
22663272 has 32 divisors (see below), whose sum is σ = 56818080. Its totient is φ = 7533120.
The previous prime is 22663253. The next prime is 22663307. The reversal of 22663272 is 27236622.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8983 + ... + 11225.
It is an arithmetic number, because the mean of its divisors is an integer number (1775565).
Almost surely, 222663272 is an apocalyptic number.
It is an amenable number.
22663272 is an abundant number, since it is smaller than the sum of its proper divisors (34154808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22663272 is a wasteful number, since it uses less digits than its factorization.
22663272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2673 (or 2669 counting only the distinct ones).
The product of its digits is 12096, while the sum is 30.
The square root of 22663272 is about 4760.5957610366. The cubic root of 22663272 is about 282.9920294758.
Adding to 22663272 its reverse (27236622), we get a palindrome (49899894).
The spelling of 22663272 in words is "twenty-two million, six hundred sixty-three thousand, two hundred seventy-two".
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