Base | Representation |
---|---|
bin | 101010001101… |
… | …1000101101111 |
3 | 1112122101002201 |
4 | 1110123011233 |
5 | 21131143210 |
6 | 2110202331 |
7 | 356053012 |
oct | 124330557 |
9 | 45571081 |
10 | 22131055 |
11 | 11546431 |
12 | 74b33a7 |
13 | 477b3cb |
14 | 2d21379 |
15 | 1e2253a |
hex | 151b16f |
22131055 has 16 divisors (see below), whose sum is σ = 27813888. Its totient is φ = 16884000.
The previous prime is 22131049. The next prime is 22131061. The reversal of 22131055 is 55013122.
It is an interprime number because it is at equal distance from previous prime (22131049) and next prime (22131061).
It is not a de Polignac number, because 22131055 - 29 = 22130543 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10000 + ... + 12010.
It is an arithmetic number, because the mean of its divisors is an integer number (1738368).
Almost surely, 222131055 is an apocalyptic number.
22131055 is a deficient number, since it is larger than the sum of its proper divisors (5682833).
22131055 is a wasteful number, since it uses less digits than its factorization.
22131055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2118.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 22131055 is about 4704.3655257643. The cubic root of 22131055 is about 280.7592277376.
Adding to 22131055 its reverse (55013122), we get a palindrome (77144177).
The spelling of 22131055 in words is "twenty-two million, one hundred thirty-one thousand, fifty-five".
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