Base | Representation |
---|---|
bin | 100110110010… |
… | …0011101101100 |
3 | 1102021002121120 |
4 | 1031210131230 |
5 | 20201200234 |
6 | 2003500540 |
7 | 334561044 |
oct | 115443554 |
9 | 42232546 |
10 | 20334444 |
11 | 10529629 |
12 | 6987750 |
13 | 429c720 |
14 | 29b4724 |
15 | 1bba049 |
hex | 136476c |
20334444 has 24 divisors (see below), whose sum is σ = 51097200. Its totient is φ = 6256704.
The previous prime is 20334439. The next prime is 20334451. The reversal of 20334444 is 44443302.
It is a happy number.
It is a super-2 number, since 2×203344442 = 826979225578272, which contains 22 as substring.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 65019 + ... + 65330.
It is an arithmetic number, because the mean of its divisors is an integer number (2129050).
Almost surely, 220334444 is an apocalyptic number.
It is an amenable number.
20334444 is an abundant number, since it is smaller than the sum of its proper divisors (30762756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20334444 is a wasteful number, since it uses less digits than its factorization.
20334444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130369 (or 130367 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 24.
The square root of 20334444 is about 4509.3729054049. The cubic root of 20334444 is about 272.9464398677.
Adding to 20334444 its reverse (44443302), we get a palindrome (64777746).
The spelling of 20334444 in words is "twenty million, three hundred thirty-four thousand, four hundred forty-four".
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