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195226049 is a prime number
BaseRepresentation
bin10111010001011…
…10100111000001
3111121100111210102
423220232213001
5344434213144
631212212145
74560252104
oct1350564701
9447314712
10195226049
11a0222247
125546a055
13315a5395
141bcdc73b
1512214b4e
hexba2e9c1

195226049 has 2 divisors, whose sum is σ = 195226050. Its totient is φ = 195226048.

The previous prime is 195226037. The next prime is 195226067. The reversal of 195226049 is 940622591.

195226049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193071025 + 2155024 = 13895^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 195226049 - 24 = 195226033 is a prime.

It is a super-2 number, since 2×1952260492 = 76226420416300802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (195226069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97613024 + 97613025.

It is an arithmetic number, because the mean of its divisors is an integer number (97613025).

Almost surely, 2195226049 is an apocalyptic number.

It is an amenable number.

195226049 is a deficient number, since it is larger than the sum of its proper divisors (1).

195226049 is an equidigital number, since it uses as much as digits as its factorization.

195226049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 195226049 is about 13972.3315520353. The cubic root of 195226049 is about 580.1129873023.

The spelling of 195226049 in words is "one hundred ninety-five million, two hundred twenty-six thousand, forty-nine".