Search a number
-
+
22740741 = 327334613
BaseRepresentation
bin101011010111…
…1111100000101
31120210100102200
41112233330011
521310200431
62131225113
7364202352
oct126577405
946710380
1022740741
1111922501
127748199
134932a7a
14303d629
151ee2ee6
hex15aff05

22740741 has 12 divisors (see below), whose sum is σ = 33298668. Its totient is φ = 14952384.

The previous prime is 22740719. The next prime is 22740743. The reversal of 22740741 is 14704722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10692900 + 12047841 = 3270^2 + 3471^2 .

It is not a de Polignac number, because 22740741 - 25 = 22740709 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22740743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16650 + ... + 17963.

It is an arithmetic number, because the mean of its divisors is an integer number (2774889).

Almost surely, 222740741 is an apocalyptic number.

It is an amenable number.

22740741 is a deficient number, since it is larger than the sum of its proper divisors (10557927).

22740741 is a wasteful number, since it uses less digits than its factorization.

22740741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34692 (or 34689 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 22740741 is about 4768.7253013777. The cubic root of 22740741 is about 283.3141097300.

The spelling of 22740741 in words is "twenty-two million, seven hundred forty thousand, seven hundred forty-one".

Divisors: 1 3 9 73 219 657 34613 103839 311517 2526749 7580247 22740741