Base | Representation |
---|---|
bin | 101011010100… |
… | …1101011111010 |
3 | 1120202001022010 |
4 | 1112221223322 |
5 | 21303341010 |
6 | 2130510350 |
7 | 364034604 |
oct | 126515372 |
9 | 46661263 |
10 | 22715130 |
11 | 11905239 |
12 | 77353b6 |
13 | 4924209 |
14 | 3034174 |
15 | 1eda620 |
hex | 15a9afa |
22715130 has 16 divisors (see below), whose sum is σ = 54516384. Its totient is φ = 6057360.
The previous prime is 22715123. The next prime is 22715153. The reversal of 22715130 is 3151722.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 22715097 and 22715106.
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, 378556 + ... + 378615.
It is an arithmetic number, because the mean of its divisors is an integer number (3407274).
Almost surely, 222715130 is an apocalyptic number.
22715130 is an abundant number, since it is smaller than the sum of its proper divisors (31801254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22715130 is a wasteful number, since it uses less digits than its factorization.
22715130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 757181.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 22715130 is about 4766.0392360953. The cubic root of 22715130 is about 283.2077120933.
Adding to 22715130 its reverse (3151722), we get a palindrome (25866852).
The spelling of 22715130 in words is "twenty-two million, seven hundred fifteen thousand, one hundred thirty".
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