Search a number
-
+
1896290741 is a prime number
BaseRepresentation
bin111000100000111…
…0001100110110101
311220011012112212102
41301001301212311
512340422300431
6512100031445
764664130302
oct16101614665
94804175772
101896290741
11893452334
1244b092585
13242b35437
1413dbc00a9
15b1728dcb
hex710719b5

1896290741 has 2 divisors, whose sum is σ = 1896290742. Its totient is φ = 1896290740.

The previous prime is 1896290731. The next prime is 1896290761. The reversal of 1896290741 is 1470926981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1882258225 + 14032516 = 43385^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 1896290741 - 218 = 1896028597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1896290731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948145370 + 948145371.

It is an arithmetic number, because the mean of its divisors is an integer number (948145371).

Almost surely, 21896290741 is an apocalyptic number.

It is an amenable number.

1896290741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896290741 is an equidigital number, since it uses as much as digits as its factorization.

1896290741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1896290741 is about 43546.4205302801. The cubic root of 1896290741 is about 1237.7558136049.

The spelling of 1896290741 in words is "one billion, eight hundred ninety-six million, two hundred ninety thousand, seven hundred forty-one".