Base | Representation |
---|---|
bin | 1011111111110011… |
… | …1011101001111100 |
3 | 22022102210100102220 |
4 | 2333330323221330 |
5 | 23043411434434 |
6 | 1251320445340 |
7 | 142543062135 |
oct | 27774735174 |
9 | 8272710386 |
10 | 3220421244 |
11 | 1402931167 |
12 | 75a619850 |
13 | 3c426b901 |
14 | 2279c2c8c |
15 | 13cad3d49 |
hex | bff3ba7c |
3220421244 has 24 divisors (see below), whose sum is σ = 7717406928. Its totient is φ = 1044460800.
The previous prime is 3220421227. The next prime is 3220421287. The reversal of 3220421244 is 4421240223.
It is a super-2 number, since 2×32204212442 = 20742225977613015072, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3626157 + ... + 3627044.
It is an arithmetic number, because the mean of its divisors is an integer number (321558622).
Almost surely, 23220421244 is an apocalyptic number.
It is an amenable number.
3220421244 is an abundant number, since it is smaller than the sum of its proper divisors (4496985684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3220421244 is a wasteful number, since it uses less digits than its factorization.
3220421244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7253245 (or 7253243 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 3220421244 is about 56748.7554400975. The cubic root of 3220421244 is about 1476.7406426044.
Adding to 3220421244 its reverse (4421240223), we get a palindrome (7641661467).
The spelling of 3220421244 in words is "three billion, two hundred twenty million, four hundred twenty-one thousand, two hundred forty-four".
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