Search a number
-
+
195488441 is a prime number
BaseRepresentation
bin10111010011011…
…10101010111001
3111121211211201122
423221232222321
5400021112231
631221555025
74562424101
oct1351565271
9447754648
10195488441
11a03913a5
1255575a75
1331667945
141bd6a201
151226777b
hexba6eab9

195488441 has 2 divisors, whose sum is σ = 195488442. Its totient is φ = 195488440.

The previous prime is 195488413. The next prime is 195488453. The reversal of 195488441 is 144884591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194881600 + 606841 = 13960^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 195488441 - 226 = 128379577 is a prime.

It is a super-2 number, since 2×1954884412 = 76431461129220962, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 195488392 and 195488401.

It is not a weakly prime, because it can be changed into another prime (195488401) 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, 97744220 + 97744221.

It is an arithmetic number, because the mean of its divisors is an integer number (97744221).

Almost surely, 2195488441 is an apocalyptic number.

It is an amenable number.

195488441 is a deficient number, since it is larger than the sum of its proper divisors (1).

195488441 is an equidigital number, since it uses as much as digits as its factorization.

195488441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 44.

The square root of 195488441 is about 13981.7180990034. The cubic root of 195488441 is about 580.3727696815.

The spelling of 195488441 in words is "one hundred ninety-five million, four hundred eighty-eight thousand, four hundred forty-one".