Search a number
-
+
197483161 is a prime number
BaseRepresentation
bin10111100010101…
…01101010011001
3111202121011222011
423301111222121
5401023430121
631332425521
74615402441
oct1361255231
9452534864
10197483161
11a1524027
12561782a1
1331bb5855
141c329121
151250d7e1
hexbc55a99

197483161 has 2 divisors, whose sum is σ = 197483162. Its totient is φ = 197483160.

The previous prime is 197483149. The next prime is 197483213. The reversal of 197483161 is 161384791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177955600 + 19527561 = 13340^2 + 4419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-197483161 is a prime.

It is not a weakly prime, because it can be changed into another prime (197483261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98741580 + 98741581.

It is an arithmetic number, because the mean of its divisors is an integer number (98741581).

Almost surely, 2197483161 is an apocalyptic number.

It is an amenable number.

197483161 is a deficient number, since it is larger than the sum of its proper divisors (1).

197483161 is an equidigital number, since it uses as much as digits as its factorization.

197483161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 197483161 is about 14052.8702050506. The cubic root of 197483161 is about 582.3400910623.

The spelling of 197483161 in words is "one hundred ninety-seven million, four hundred eighty-three thousand, one hundred sixty-one".