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195029369 is a prime number
BaseRepresentation
bin10111001111111…
…10100101111001
3111120222111222222
423213332211321
5344411414434
631204053425
74555502513
oct1347764571
9446874888
10195029369
11a00a84a7
1255394275
13315369c2
141bc8abb3
15121c672e
hexb9fe979

195029369 has 2 divisors, whose sum is σ = 195029370. Its totient is φ = 195029368.

The previous prime is 195029363. The next prime is 195029407. The reversal of 195029369 is 963920591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156750400 + 38278969 = 12520^2 + 6187^2 .

It is a cyclic number.

It is not a de Polignac number, because 195029369 - 216 = 194963833 is a prime.

It is a super-2 number, since 2×1950293692 = 76072909545076322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (195029363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97514684 + 97514685.

It is an arithmetic number, because the mean of its divisors is an integer number (97514685).

Almost surely, 2195029369 is an apocalyptic number.

It is an amenable number.

195029369 is a deficient number, since it is larger than the sum of its proper divisors (1).

195029369 is an equidigital number, since it uses as much as digits as its factorization.

195029369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 195029369 is about 13965.2915830641. The cubic root of 195029369 is about 579.9181107138.

The spelling of 195029369 in words is "one hundred ninety-five million, twenty-nine thousand, three hundred sixty-nine".