Base | Representation |
---|---|
bin | 1011111110010001… |
… | …1101001111100101 |
3 | 22021222201101022102 |
4 | 2333210131033211 |
5 | 23040241131341 |
6 | 1250531141445 |
7 | 142434410420 |
oct | 27744351745 |
9 | 8258641272 |
10 | 3214005221 |
11 | 13aa249769 |
12 | 758444885 |
13 | 3c2b3344b |
14 | 226bd29b7 |
15 | 13c267c9b |
hex | bf91d3e5 |
3214005221 has 16 divisors (see below), whose sum is σ = 3714657408. Its totient is φ = 2723884800.
The previous prime is 3214005203. The next prime is 3214005233. The reversal of 3214005221 is 1225004123.
3214005221 = 32412 + 32422 + ... + 35212.
It is not a de Polignac number, because 3214005221 - 222 = 3209810917 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3214005193 and 3214005202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3214005251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251441 + ... + 263913.
It is an arithmetic number, because the mean of its divisors is an integer number (232166088).
Almost surely, 23214005221 is an apocalyptic number.
It is an amenable number.
3214005221 is a deficient number, since it is larger than the sum of its proper divisors (500652187).
3214005221 is a wasteful number, since it uses less digits than its factorization.
3214005221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12892.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 3214005221 is about 56692.1971791533. The cubic root of 3214005221 is about 1475.7592905413.
Adding to 3214005221 its reverse (1225004123), we get a palindrome (4439009344).
The spelling of 3214005221 in words is "three billion, two hundred fourteen million, five thousand, two hundred twenty-one".
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