Search a number
-
+
980732761 is a prime number
BaseRepresentation
bin111010011101001…
…100101101011001
32112100102101102121
4322131030231121
54002031422021
6241152301241
733206043121
oct7235145531
92470371377
10980732761
11463664048
12234541821
13128252458
1494373c81
155b177741
hex3a74cb59

980732761 has 2 divisors, whose sum is σ = 980732762. Its totient is φ = 980732760.

The previous prime is 980732663. The next prime is 980732813. The reversal of 980732761 is 167237089.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 572692761 + 408040000 = 23931^2 + 20200^2 .

It is a cyclic number.

It is not a de Polignac number, because 980732761 - 217 = 980601689 is a prime.

It is not a weakly prime, because it can be changed into another prime (980732561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490366380 + 490366381.

It is an arithmetic number, because the mean of its divisors is an integer number (490366381).

Almost surely, 2980732761 is an apocalyptic number.

It is an amenable number.

980732761 is a deficient number, since it is larger than the sum of its proper divisors (1).

980732761 is an equidigital number, since it uses as much as digits as its factorization.

980732761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 980732761 is about 31316.6530938413. The cubic root of 980732761 is about 993.5358923458.

The spelling of 980732761 in words is "nine hundred eighty million, seven hundred thirty-two thousand, seven hundred sixty-one".