Search a number
-
+
1731160961 is a prime number
BaseRepresentation
bin110011100101111…
…0110101110000001
311110122111002101122
41213023312232001
512021134122321
6443440442025
760620424335
oct14713665601
94418432348
101731160961
11809216942
12403919315
13217869aca
14125cb77c5
15a1eab8ab
hex672f6b81

1731160961 has 2 divisors, whose sum is σ = 1731160962. Its totient is φ = 1731160960.

The previous prime is 1731160919. The next prime is 1731160967. The reversal of 1731160961 is 1690611371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1704120961 + 27040000 = 41281^2 + 5200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1731160961 - 214 = 1731144577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1731160967) 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, 865580480 + 865580481.

It is an arithmetic number, because the mean of its divisors is an integer number (865580481).

Almost surely, 21731160961 is an apocalyptic number.

It is an amenable number.

1731160961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1731160961 is an equidigital number, since it uses as much as digits as its factorization.

1731160961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1731160961 is about 41607.2224619717. Note that the first 3 decimals coincide. The cubic root of 1731160961 is about 1200.7312582292.

The spelling of 1731160961 in words is "one billion, seven hundred thirty-one million, one hundred sixty thousand, nine hundred sixty-one".