Search a number
-
+
2196441 = 321318773
BaseRepresentation
bin1000011000001111011001
311010120221200
420120033121
51030241231
6115024413
724445422
oct10301731
94116850
102196441
111270245
1289b109
135bb990
14412649
152d5be6
hex2183d9

2196441 has 12 divisors (see below), whose sum is σ = 3416868. Its totient is φ = 1351584.

The previous prime is 2196433. The next prime is 2196449. The reversal of 2196441 is 1446912.

2196441 is a `hidden beast` number, since 2 + 19 + 644 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2196433) and next prime (2196449).

It can be written as a sum of positive squares in 2 ways, for example, as 1490841 + 705600 = 1221^2 + 840^2 .

It is not a de Polignac number, because 2196441 - 23 = 2196433 is a prime.

2196441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2196449) 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, 9270 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (284739).

22196441 is an apocalyptic number.

It is an amenable number.

2196441 is a deficient number, since it is larger than the sum of its proper divisors (1220427).

2196441 is a wasteful number, since it uses less digits than its factorization.

2196441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18792 (or 18789 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2196441 is about 1482.0394731585. The cubic root of 2196441 is about 129.9889734237.

The spelling of 2196441 in words is "two million, one hundred ninety-six thousand, four hundred forty-one".

Divisors: 1 3 9 13 39 117 18773 56319 168957 244049 732147 2196441