Base | Representation |
---|---|
bin | 101010001110… |
… | …0110000101010 |
3 | 1112122201111011 |
4 | 1110130300222 |
5 | 21131403043 |
6 | 2110254134 |
7 | 356111656 |
oct | 124346052 |
9 | 45581434 |
10 | 22137898 |
11 | 11550592 |
12 | 74b734a |
13 | 4781563 |
14 | 2d23a66 |
15 | 1e2459d |
hex | 151cc2a |
22137898 has 4 divisors (see below), whose sum is σ = 33206850. Its totient is φ = 11068948.
The previous prime is 22137889. The next prime is 22137931. The reversal of 22137898 is 89873122.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 13593969 + 8543929 = 3687^2 + 2923^2 .
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 22137898.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5534473 + ... + 5534476.
Almost surely, 222137898 is an apocalyptic number.
22137898 is a deficient number, since it is larger than the sum of its proper divisors (11068952).
22137898 is a wasteful number, since it uses less digits than its factorization.
22137898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11068951.
The product of its digits is 48384, while the sum is 40.
The square root of 22137898 is about 4705.0927727304. The cubic root of 22137898 is about 280.7881620023.
The spelling of 22137898 in words is "twenty-two million, one hundred thirty-seven thousand, eight hundred ninety-eight".
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