Base | Representation |
---|---|
bin | 101010110100… |
… | …0111101111111 |
3 | 1120020120200020 |
4 | 1111220331333 |
5 | 21221400142 |
6 | 2121103223 |
7 | 361552014 |
oct | 125507577 |
9 | 46216606 |
10 | 22450047 |
11 | 11744064 |
12 | 7627b13 |
13 | 4860669 |
14 | 2da570b |
15 | 1e86cec |
hex | 1568f7f |
22450047 has 16 divisors (see below), whose sum is σ = 33073920. Its totient is φ = 13473152.
The previous prime is 22450033. The next prime is 22450061. The reversal of 22450047 is 74005422.
It is an interprime number because it is at equal distance from previous prime (22450033) and next prime (22450061).
It is a cyclic number.
It is not a de Polignac number, because 22450047 - 219 = 21925759 is a prime.
It is a super-2 number, since 2×224500472 = 1008009220604418, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22449999 and 22450026.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22450027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8397 + ... + 10742.
It is an arithmetic number, because the mean of its divisors is an integer number (2067120).
Almost surely, 222450047 is an apocalyptic number.
22450047 is a deficient number, since it is larger than the sum of its proper divisors (10623873).
22450047 is a wasteful number, since it uses less digits than its factorization.
22450047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19182.
The product of its (nonzero) digits is 2240, while the sum is 24.
The square root of 22450047 is about 4738.1480559392. The cubic root of 22450047 is about 282.1017313158.
Adding to 22450047 its reverse (74005422), we get a palindrome (96455469).
It can be divided in two parts, 2 and 2450047, that multiplied together give a palindrome (4900094).
The spelling of 22450047 in words is "twenty-two million, four hundred fifty thousand, forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •