Base | Representation |
---|---|
bin | 100011111001000… |
… | …0111011111011110 |
3 | 10002221010210202200 |
4 | 1013302013133132 |
5 | 4431301221342 |
6 | 315300432330 |
7 | 41562360450 |
oct | 10762073736 |
9 | 3087123680 |
10 | 1204320222 |
11 | 568897676 |
12 | 2973a86a6 |
13 | 162677a21 |
14 | b5d362d0 |
15 | 70ae094c |
hex | 47c877de |
1204320222 has 72 divisors (see below), whose sum is σ = 3167960016. Its totient is φ = 323841024.
The previous prime is 1204320191. The next prime is 1204320223. The reversal of 1204320222 is 2220234021.
1204320222 is a `hidden beast` number, since 12 + 0 + 432 + 0 + 222 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1204320195 and 1204320204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1204320223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19878 + ... + 52950.
Almost surely, 21204320222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1204320222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583980008).
1204320222 is an abundant number, since it is smaller than the sum of its proper divisors (1963639794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1204320222 is a wasteful number, since it uses less digits than its factorization.
1204320222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33122 (or 33102 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 1204320222 is about 34703.3171613320. The cubic root of 1204320222 is about 1063.9322976642.
Adding to 1204320222 its reverse (2220234021), we get a palindrome (3424554243).
The spelling of 1204320222 in words is "one billion, two hundred four million, three hundred twenty thousand, two hundred twenty-two".
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