Search a number
-
+
487074961 is a prime number
BaseRepresentation
bin11101000010000…
…010110010010001
31020221111222020101
4131002002302101
51444142344321
6120155412401
715033032422
oct3502026221
91227458211
10487074961
1122aa3969a
12117154101
1379bab049
144898d649
152cb63791
hex1d082c91

487074961 has 2 divisors, whose sum is σ = 487074962. Its totient is φ = 487074960.

The previous prime is 487074947. The next prime is 487074967. The reversal of 487074961 is 169470784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408646225 + 78428736 = 20215^2 + 8856^2 .

It is a cyclic number.

It is not a de Polignac number, because 487074961 - 217 = 486943889 is a prime.

It is not a weakly prime, because it can be changed into another prime (487074967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243537480 + 243537481.

It is an arithmetic number, because the mean of its divisors is an integer number (243537481).

Almost surely, 2487074961 is an apocalyptic number.

It is an amenable number.

487074961 is a deficient number, since it is larger than the sum of its proper divisors (1).

487074961 is an equidigital number, since it uses as much as digits as its factorization.

487074961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 487074961 is about 22069.7748289374. The cubic root of 487074961 is about 786.8016611153.

The spelling of 487074961 in words is "four hundred eighty-seven million, seventy-four thousand, nine hundred sixty-one".