Base | Representation |
---|---|
bin | 101010000000… |
… | …1001110101010 |
3 | 1112102222210120 |
4 | 1110001032222 |
5 | 21114301010 |
6 | 2104024110 |
7 | 355132131 |
oct | 124011652 |
9 | 45388716 |
10 | 22025130 |
11 | 11483896 |
12 | 7462036 |
13 | 474212a |
14 | 2cd4918 |
15 | 1e00e70 |
hex | 15013aa |
22025130 has 16 divisors (see below), whose sum is σ = 52860384. Its totient is φ = 5873360.
The previous prime is 22025119. The next prime is 22025137. The reversal of 22025130 is 3152022.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (22025137) 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, 367056 + ... + 367115.
It is an arithmetic number, because the mean of its divisors is an integer number (3303774).
Almost surely, 222025130 is an apocalyptic number.
22025130 is an abundant number, since it is smaller than the sum of its proper divisors (30835254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22025130 is a wasteful number, since it uses less digits than its factorization.
22025130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 734181.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 22025130 is about 4693.0938622619. The cubic root of 22025130 is about 280.3105822386.
Adding to 22025130 its reverse (3152022), we get a palindrome (25177152).
It can be divided in two parts, 22025 and 130, that added together give a triangular number (22155 = T210).
The spelling of 22025130 in words is "twenty-two million, twenty-five thousand, one hundred thirty".
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