Base | Representation |
---|---|
bin | 1011111111110000… |
… | …1101001101011000 |
3 | 22022102102200110211 |
4 | 2333330031031120 |
5 | 23043334343000 |
6 | 1251312420504 |
7 | 142541340400 |
oct | 27774151530 |
9 | 8272380424 |
10 | 3220231000 |
11 | 1402811238 |
12 | 75a547734 |
13 | 3c420313c |
14 | 227973800 |
15 | 13ca977ba |
hex | bff0d358 |
3220231000 has 96 divisors (see below), whose sum is σ = 8765733600. Its totient is φ = 1104062400.
The previous prime is 3220230977. The next prime is 3220231031. The reversal of 3220231000 is 1320223.
It is a happy number.
It is a super-2 number, since 2×32202310002 = 20739775386722000000, 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 (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16141 + ... + 81859.
It is an arithmetic number, because the mean of its divisors is an integer number (91309725).
Almost surely, 23220231000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3220231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4382866800).
3220231000 is an abundant number, since it is smaller than the sum of its proper divisors (5545502600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3220231000 is a wasteful number, since it uses less digits than its factorization.
3220231000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65754 (or 65733 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 3220231000 is about 56747.0792199916. The cubic root of 3220231000 is about 1476.7115629119.
Adding to 3220231000 its reverse (1320223), we get a palindrome (3221551223).
The spelling of 3220231000 in words is "three billion, two hundred twenty million, two hundred thirty-one thousand".
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