Base | Representation |
---|---|
bin | 101011100000… |
… | …0101000101010 |
3 | 1120220211020121 |
4 | 1113000220222 |
5 | 21314343010 |
6 | 2132513454 |
7 | 364605631 |
oct | 127005052 |
9 | 46824217 |
10 | 22809130 |
11 | 11969923 |
12 | 777b88a |
13 | 4957c36 |
14 | 305a518 |
15 | 20083da |
hex | 15c0a2a |
22809130 has 16 divisors (see below), whose sum is σ = 41358600. Its totient is φ = 9056512.
The previous prime is 22809119. The next prime is 22809151. The reversal of 22809130 is 3190822.
It can be written as a sum of positive squares in 4 ways, for example, as 21095649 + 1713481 = 4593^2 + 1309^2 .
It is a super-2 number, since 2×228091302 = 1040512822713800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22809095 and 22809104.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6955 + ... + 9694.
Almost surely, 222809130 is an apocalyptic number.
22809130 is a deficient number, since it is larger than the sum of its proper divisors (18549470).
22809130 is a wasteful number, since it uses less digits than its factorization.
22809130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16793.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 22809130 is about 4775.8904928819. The cubic root of 22809130 is about 283.5978322070.
Adding to 22809130 its reverse (3190822), we get a palindrome (25999952).
The spelling of 22809130 in words is "twenty-two million, eight hundred nine thousand, one hundred thirty".
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