Base | Representation |
---|---|
bin | 101010110010… |
… | …0001111001110 |
3 | 1120012121002120 |
4 | 1111210033032 |
5 | 21220240140 |
6 | 2120433410 |
7 | 361441353 |
oct | 125441716 |
9 | 46177076 |
10 | 22430670 |
11 | 11730549 |
12 | 7618866 |
13 | 48548b2 |
14 | 2d9c62a |
15 | 1e811d0 |
hex | 15643ce |
22430670 has 64 divisors (see below), whose sum is σ = 56401920. Its totient is φ = 5702400.
The previous prime is 22430663. The next prime is 22430671. The reversal of 22430670 is 7603422.
It is a self number, because there is not a number n which added to its sum of digits gives 22430670.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22430671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82635 + ... + 82905.
It is an arithmetic number, because the mean of its divisors is an integer number (881280).
Almost surely, 222430670 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22430670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28200960).
22430670 is an abundant number, since it is smaller than the sum of its proper divisors (33971250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22430670 is a wasteful number, since it uses less digits than its factorization.
22430670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401.
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 22430670 is about 4736.1028282756. The cubic root of 22430670 is about 282.0205457592.
The spelling of 22430670 in words is "twenty-two million, four hundred thirty thousand, six hundred seventy".
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