[go: up one dir, main page]

Search a number
-
+
540227 = 1928433
BaseRepresentation
bin10000011111001000011
31000110001102
42003321003
5114241402
615325015
74410002
oct2037103
91013042
10540227
11339976
1222076b
1315bb7c
14100c39
15aa102
hex83e43

540227 has 4 divisors (see below), whose sum is σ = 568680. Its totient is φ = 511776.

The previous prime is 540217. The next prime is 540233. The reversal of 540227 is 722045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722045 = 5144409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-540227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540199 and 540208.

It is not an unprimeable number, because it can be changed into a prime (540217) 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, 14198 + ... + 14235.

It is an arithmetic number, because the mean of its divisors is an integer number (142170).

540227 is a Friedman number, since it can be written as (740-5)^2+2, using all its digits and the basic arithmetic operations.

2540227 is an apocalyptic number.

540227 is a deficient number, since it is larger than the sum of its proper divisors (28453).

540227 is a wasteful number, since it uses less digits than its factorization.

540227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28452.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 540227 is about 735.0013605430. The cubic root of 540227 is about 81.4439375067.

It can be divided in two parts, 540 and 227, that added together give a palindrome (767).

The spelling of 540227 in words is "five hundred forty thousand, two hundred twenty-seven".

Divisors: 1 19 28433 540227