Base | Representation |
---|---|
bin | 11011000110000… |
… | …01110110000001 |
3 | 120211200100022212 |
4 | 31203001312001 |
5 | 431141131101 |
6 | 34315311505 |
7 | 5426621366 |
oct | 1543016601 |
9 | 524610285 |
10 | 227286401 |
11 | 10732a701 |
12 | 6414b595 |
13 | 3811c0c4 |
14 | 2228646d |
15 | 14e491bb |
hex | d8c1d81 |
227286401 has 4 divisors (see below), whose sum is σ = 227351892. Its totient is φ = 227220912.
The previous prime is 227286383. The next prime is 227286443. The reversal of 227286401 is 104682722.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 181710400 + 45576001 = 13480^2 + 6751^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-227286401 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (227288401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27230 + ... + 34583.
It is an arithmetic number, because the mean of its divisors is an integer number (56837973).
Almost surely, 2227286401 is an apocalyptic number.
It is an amenable number.
227286401 is a deficient number, since it is larger than the sum of its proper divisors (65491).
227286401 is an equidigital number, since it uses as much as digits as its factorization.
227286401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65490.
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 227286401 is about 15076.0207282956. The cubic root of 227286401 is about 610.2734606565.
The spelling of 227286401 in words is "two hundred twenty-seven million, two hundred eighty-six thousand, four hundred one".
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