Base | Representation |
---|---|
bin | 101010010001… |
… | …0011010000010 |
3 | 1112200220012202 |
4 | 1110202122002 |
5 | 21133123101 |
6 | 2110553202 |
7 | 356236256 |
oct | 124423202 |
9 | 45626182 |
10 | 22161026 |
11 | 115669a8 |
12 | 7508802 |
13 | 478bc44 |
14 | 2d2c266 |
15 | 1e2b36b |
hex | 1522682 |
22161026 has 8 divisors (see below), whose sum is σ = 33348684. Its totient is φ = 11044800.
The previous prime is 22161023. The next prime is 22161031. The reversal of 22161026 is 62016122.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 16801801 + 5359225 = 4099^2 + 2315^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×221610262 = 982222146745352, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22160989 and 22161007.
It is not an unprimeable number, because it can be changed into a prime (22161023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17075 + ... + 18326.
Almost surely, 222161026 is an apocalyptic number.
22161026 is a deficient number, since it is larger than the sum of its proper divisors (11187658).
22161026 is a wasteful number, since it uses less digits than its factorization.
22161026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35716.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 22161026 is about 4707.5498935221. The cubic root of 22161026 is about 280.8859100423.
Adding to 22161026 its reverse (62016122), we get a palindrome (84177148).
The spelling of 22161026 in words is "twenty-two million, one hundred sixty-one thousand, twenty-six".
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