Base | Representation |
---|---|
bin | 11011001010100… |
… | …10110001111101 |
3 | 120212210111200021 |
4 | 31211102301331 |
5 | 431314130221 |
6 | 34340132141 |
7 | 5434643233 |
oct | 1545226175 |
9 | 525714607 |
10 | 227880061 |
11 | 1076a5732 |
12 | 64397051 |
13 | 38299396 |
14 | 2239c953 |
15 | 15015041 |
hex | d952c7d |
227880061 has 4 divisors (see below), whose sum is σ = 227954752. Its totient is φ = 227805372.
The previous prime is 227880049. The next prime is 227880083. The reversal of 227880061 is 160088722.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160088722 = 2 ⋅80044361.
It is a cyclic number.
It is not a de Polignac number, because 227880061 - 29 = 227879549 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 227879999 and 227880026.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227880001) 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, 32565 + ... + 38938.
It is an arithmetic number, because the mean of its divisors is an integer number (56988688).
Almost surely, 2227880061 is an apocalyptic number.
It is an amenable number.
227880061 is a deficient number, since it is larger than the sum of its proper divisors (74691).
227880061 is an equidigital number, since it uses as much as digits as its factorization.
227880061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74690.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 227880061 is about 15095.6967709344. The cubic root of 227880061 is about 610.8043326697.
The spelling of 227880061 in words is "two hundred twenty-seven million, eight hundred eighty thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •