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197468417 is a prime number
BaseRepresentation
bin10111100010100…
…10000100000001
3111202120102202002
423301102010001
5401022442132
631332233345
74615311446
oct1361220401
9452512662
10197468417
11a1513a43
125616b855
1331babc23
141c3239cd
1512509262
hexbc52101

197468417 has 2 divisors, whose sum is σ = 197468418. Its totient is φ = 197468416.

The previous prime is 197468399. The next prime is 197468437. The reversal of 197468417 is 714864791.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157979761 + 39488656 = 12569^2 + 6284^2 .

It is an emirp because it is prime and its reverse (714864791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197468417 - 26 = 197468353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197468437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98734208 + 98734209.

It is an arithmetic number, because the mean of its divisors is an integer number (98734209).

Almost surely, 2197468417 is an apocalyptic number.

It is an amenable number.

197468417 is a deficient number, since it is larger than the sum of its proper divisors (1).

197468417 is an equidigital number, since it uses as much as digits as its factorization.

197468417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 197468417 is about 14052.3456049159. The cubic root of 197468417 is about 582.3255982891.

The spelling of 197468417 in words is "one hundred ninety-seven million, four hundred sixty-eight thousand, four hundred seventeen".