Base | Representation |
---|---|
bin | 100110110000… |
… | …1011011010000 |
3 | 1102020110112200 |
4 | 1031201123100 |
5 | 20200301000 |
6 | 2003323200 |
7 | 334506546 |
oct | 115413320 |
9 | 42213480 |
10 | 20322000 |
11 | 10520246 |
12 | 6980500 |
13 | 4296b6a |
14 | 29add96 |
15 | 1bb6500 |
hex | 13616d0 |
20322000 has 120 divisors (see below), whose sum is σ = 71040840. Its totient is φ = 5414400.
The previous prime is 20321981. The next prime is 20322017. The reversal of 20322000 is 22302.
It can be written as a sum of positive squares in 4 ways, for example, as 3968064 + 16353936 = 1992^2 + 4044^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17436 + ... + 18564.
It is an arithmetic number, because the mean of its divisors is an integer number (592007).
Almost surely, 220322000 is an apocalyptic number.
20322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35520420).
20322000 is an abundant number, since it is smaller than the sum of its proper divisors (50718840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20322000 is a wasteful number, since it uses less digits than its factorization.
20322000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1158 (or 1139 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 9.
The square root of 20322000 is about 4507.9929015028. The cubic root of 20322000 is about 272.8907504737.
Adding to 20322000 its reverse (22302), we get a palindrome (20344302).
The spelling of 20322000 in words is "twenty million, three hundred twenty-two thousand".
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