Base | Representation |
---|---|
bin | 11001001011101… |
… | …10001110000101 |
3 | 112201111111210012 |
4 | 30211312032011 |
5 | 413034414010 |
6 | 32543440005 |
7 | 5143402253 |
oct | 1445661605 |
9 | 481444705 |
10 | 211248005 |
11 | a9275831 |
12 | 5a8b6005 |
13 | 349c4c27 |
14 | 200ad5d3 |
15 | 1382c005 |
hex | c976385 |
211248005 has 8 divisors (see below), whose sum is σ = 253895712. Its totient is φ = 168733008.
The previous prime is 211247969. The next prime is 211248007. The reversal of 211248005 is 500842112.
211248005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 211248005 - 28 = 211247749 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211248007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29639 + ... + 36068.
It is an arithmetic number, because the mean of its divisors is an integer number (31736964).
Almost surely, 2211248005 is an apocalyptic number.
It is an amenable number.
211248005 is a deficient number, since it is larger than the sum of its proper divisors (42647707).
211248005 is an equidigital number, since it uses as much as digits as its factorization.
211248005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66355.
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 211248005 is about 14534.3732235002. The cubic root of 211248005 is about 595.5673377827.
The spelling of 211248005 in words is "two hundred eleven million, two hundred forty-eight thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •