Base | Representation |
---|---|
bin | 10000001110011… |
… | …100001010110001 |
3 | 200222020020210200 |
4 | 100032130022301 |
5 | 1024142031344 |
6 | 43002345413 |
7 | 6513560535 |
oct | 2016341261 |
9 | 628206720 |
10 | 272220849 |
11 | 12a73060a |
12 | 771bb269 |
13 | 44522934 |
14 | 28221bc5 |
15 | 18d73069 |
hex | 1039c2b1 |
272220849 has 12 divisors (see below), whose sum is σ = 394379076. Its totient is φ = 180940032.
The previous prime is 272220791. The next prime is 272220859. The reversal of 272220849 is 948022272.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 149010849 + 123210000 = 12207^2 + 11100^2 .
It is not a de Polignac number, because 272220849 - 224 = 255443633 is a prime.
It is not an unprimeable number, because it can be changed into a prime (272220859) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41844 + ... + 47909.
It is an arithmetic number, because the mean of its divisors is an integer number (32864923).
Almost surely, 2272220849 is an apocalyptic number.
It is an amenable number.
272220849 is a deficient number, since it is larger than the sum of its proper divisors (122158227).
272220849 is a wasteful number, since it uses less digits than its factorization.
272220849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90096 (or 90093 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 272220849 is about 16499.1166127160. The cubic root of 272220849 is about 648.0976718914.
The spelling of 272220849 in words is "two hundred seventy-two million, two hundred twenty thousand, eight hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •