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196421441 is a prime number
BaseRepresentation
bin10111011010100…
…10011101000001
3111200121020120012
423231102131001
5400240441231
631253554305
74603361156
oct1355223501
9450536505
10196421441
11a0969377
1255945995
1331903508
141c13022d
151239de2b
hexbb52741

196421441 has 2 divisors, whose sum is σ = 196421442. Its totient is φ = 196421440.

The previous prime is 196421399. The next prime is 196421471. The reversal of 196421441 is 144124691.

196421441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148742416 + 47679025 = 12196^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 196421441 - 210 = 196420417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196421398 and 196421407.

It is not a weakly prime, because it can be changed into another prime (196421471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98210720 + 98210721.

It is an arithmetic number, because the mean of its divisors is an integer number (98210721).

Almost surely, 2196421441 is an apocalyptic number.

It is an amenable number.

196421441 is a deficient number, since it is larger than the sum of its proper divisors (1).

196421441 is an equidigital number, since it uses as much as digits as its factorization.

196421441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 196421441 is about 14015.0433820235. The cubic root of 196421441 is about 581.2946121229.

The spelling of 196421441 in words is "one hundred ninety-six million, four hundred twenty-one thousand, four hundred forty-one".