Search a number
-
+
5731403549 is a prime number
BaseRepresentation
bin1010101011001111…
…00100011100011101
3112210102122110121112
411111213210130131
543214214403144
62344415511405
7262013061224
oct52547443435
915712573545
105731403549
112481256353
12113b528565
13704544a61
143c5291cbb
1523827d99e
hex1559e471d

5731403549 has 2 divisors, whose sum is σ = 5731403550. Its totient is φ = 5731403548.

The previous prime is 5731403539. The next prime is 5731403591. The reversal of 5731403549 is 9453041375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5678376025 + 53027524 = 75355^2 + 7282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5731403549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5731403519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2865701774 + 2865701775.

It is an arithmetic number, because the mean of its divisors is an integer number (2865701775).

Almost surely, 25731403549 is an apocalyptic number.

It is an amenable number.

5731403549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5731403549 is an equidigital number, since it uses as much as digits as its factorization.

5731403549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 5731403549 is about 75706.0337687823. The cubic root of 5731403549 is about 1789.5904880746.

The spelling of 5731403549 in words is "five billion, seven hundred thirty-one million, four hundred three thousand, five hundred forty-nine".