Search a number
-
+
2196841444 = 22778458623
BaseRepresentation
bin1000001011110001…
…0010001111100100
312200002202002220221
42002330102033210
513444342411234
61001553534124
7105303562360
oct20274221744
95602662827
102196841444
11a28072546
12513874344
13290196aa5
1416ba982a0
15ccce5eb4
hex82f123e4

2196841444 has 12 divisors (see below), whose sum is σ = 4393682944. Its totient is φ = 941503464.

The previous prime is 2196841433. The next prime is 2196841447. The reversal of 2196841444 is 4441486912.

2196841444 is an admirable number.

It is a super-2 number, since 2×21968414442 = 9652224660152010272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2196841444.

It is not an unprimeable number, because it can be changed into a prime (2196841447) 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, 39229284 + ... + 39229339.

Almost surely, 22196841444 is an apocalyptic number.

It is an amenable number.

2196841444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2196841444 is a wasteful number, since it uses less digits than its factorization.

2196841444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78458634 (or 78458632 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 2196841444 is about 46870.4751842778. The cubic root of 2196841444 is about 1299.9687258749.

The spelling of 2196841444 in words is "two billion, one hundred ninety-six million, eight hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 78458623 156917246 313834492 549210361 1098420722 2196841444