Base | Representation |
---|---|
bin | 101001111110… |
… | …0110010111110 |
3 | 1112102001220010 |
4 | 1103330302332 |
5 | 21113210344 |
6 | 2103404050 |
7 | 355025163 |
oct | 123746276 |
9 | 45361803 |
10 | 22006974 |
11 | 11471190 |
12 | 7453626 |
13 | 4736aa2 |
14 | 2ccc06a |
15 | 1dea8b9 |
hex | 14fccbe |
22006974 has 16 divisors (see below), whose sum is σ = 48015360. Its totient is φ = 6668760.
The previous prime is 22006973. The next prime is 22006979. The reversal of 22006974 is 47960022.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22006973) 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, 166654 + ... + 166785.
It is an arithmetic number, because the mean of its divisors is an integer number (3000960).
Almost surely, 222006974 is an apocalyptic number.
22006974 is an abundant number, since it is smaller than the sum of its proper divisors (26008386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22006974 is a wasteful number, since it uses less digits than its factorization.
22006974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333455.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 22006974 is about 4691.1591318138. The cubic root of 22006974 is about 280.2335381531.
Adding to 22006974 its reverse (47960022), we get a palindrome (69966996).
The spelling of 22006974 in words is "twenty-two million, six thousand, nine hundred seventy-four".
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