Base | Representation |
---|---|
bin | 101010100101… |
… | …1111000110011 |
3 | 1120000112021112 |
4 | 1111023320303 |
5 | 21204042211 |
6 | 2114343535 |
7 | 360544520 |
oct | 125137063 |
9 | 46015245 |
10 | 22330931 |
11 | 11672617 |
12 | 758abab |
13 | 481b38c |
14 | 2d74147 |
15 | 1e6188b |
hex | 154be33 |
22330931 has 8 divisors (see below), whose sum is σ = 25555200. Its totient is φ = 19115208.
The previous prime is 22330921. The next prime is 22330949. The reversal of 22330931 is 13903322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-22330931 is a prime.
It is a super-2 number, since 2×223309312 = 997340958653522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22330897 and 22330906.
It is not an unprimeable number, because it can be changed into a prime (22330921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5120 + ... + 8418.
It is an arithmetic number, because the mean of its divisors is an integer number (3194400).
Almost surely, 222330931 is an apocalyptic number.
22330931 is a deficient number, since it is larger than the sum of its proper divisors (3224269).
22330931 is an equidigital number, since it uses as much as digits as its factorization.
22330931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4273.
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 22330931 is about 4725.5614481244. The cubic root of 22330931 is about 281.6019189121.
The spelling of 22330931 in words is "twenty-two million, three hundred thirty thousand, nine hundred thirty-one".
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