Search a number
-
+
2272741 = 5414201
BaseRepresentation
bin1000101010110111100101
311021110121121
420222313211
51040211431
6120413541
725214032
oct10526745
94243547
102272741
1113125a9
129172b1
13617623
14432389
152ed611
hex22ade5

2272741 has 4 divisors (see below), whose sum is σ = 2277484. Its totient is φ = 2268000.

The previous prime is 2272733. The next prime is 2272757. The reversal of 2272741 is 1472722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1472722 = 2736361.

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 1822500 = 671^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272741 - 23 = 2272733 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 (2272771) 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, 1560 + ... + 2641.

It is an arithmetic number, because the mean of its divisors is an integer number (569371).

22272741 is an apocalyptic number.

It is an amenable number.

2272741 is a deficient number, since it is larger than the sum of its proper divisors (4743).

2272741 is an equidigital number, since it uses as much as digits as its factorization.

2272741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742.

The product of its digits is 1568, while the sum is 25.

The square root of 2272741 is about 1507.5612757032. The cubic root of 2272741 is about 131.4770594225.

The spelling of 2272741 in words is "two million, two hundred seventy-two thousand, seven hundred forty-one".

Divisors: 1 541 4201 2272741