Search a number
-
+
493542587 is a prime number
BaseRepresentation
bin11101011010101…
…101110010111011
31021101200120011002
4131122231302323
52002321330322
6120550155215
715142020446
oct3532556273
91241616132
10493542587
1123365693a
12119352b0b
137b333b45
144979465d
152d4dec92
hex1d6adcbb

493542587 has 2 divisors, whose sum is σ = 493542588. Its totient is φ = 493542586.

The previous prime is 493542547. The next prime is 493542601. The reversal of 493542587 is 785245394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493542587 - 26 = 493542523 is a prime.

It is not a weakly prime, because it can be changed into another prime (493542547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246771293 + 246771294.

It is an arithmetic number, because the mean of its divisors is an integer number (246771294).

Almost surely, 2493542587 is an apocalyptic number.

493542587 is a deficient number, since it is larger than the sum of its proper divisors (1).

493542587 is an equidigital number, since it uses as much as digits as its factorization.

493542587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 47.

The square root of 493542587 is about 22215.8183959088. The cubic root of 493542587 is about 790.2688755240.

The spelling of 493542587 in words is "four hundred ninety-three million, five hundred forty-two thousand, five hundred eighty-seven".