Base | Representation |
---|---|
bin | 101010110100… |
… | …1001010001110 |
3 | 1120020121202020 |
4 | 1111221022032 |
5 | 21221411310 |
6 | 2121111010 |
7 | 361554213 |
oct | 125511216 |
9 | 46217666 |
10 | 22450830 |
11 | 11744706 |
12 | 7628466 |
13 | 4860b1c |
14 | 2da5b0a |
15 | 1e87170 |
hex | 156928e |
22450830 has 16 divisors (see below), whose sum is σ = 53882064. Its totient is φ = 5986880.
The previous prime is 22450817. The next prime is 22450849. The reversal of 22450830 is 3805422.
It is a super-3 number, since 3×224508303 (a number of 23 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22450830.
It is a congruent number.
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, 374151 + ... + 374210.
It is an arithmetic number, because the mean of its divisors is an integer number (3367629).
Almost surely, 222450830 is an apocalyptic number.
22450830 is an abundant number, since it is smaller than the sum of its proper divisors (31431234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22450830 is a wasteful number, since it uses less digits than its factorization.
22450830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748371.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 22450830 is about 4738.2306824383. The cubic root of 22450830 is about 282.1050109390.
The spelling of 22450830 in words is "twenty-two million, four hundred fifty thousand, eight hundred thirty".
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