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197230927 is a prime number
BaseRepresentation
bin10111100000110…
…00000101001111
3111202010100222011
423300120011033
5400442342202
631323202051
74613302165
oct1360300517
9452110864
10197230927
11a1371573
1256076327
1331b27aba
141c2a1235
15124adbd7
hexbc1814f

197230927 has 2 divisors, whose sum is σ = 197230928. Its totient is φ = 197230926.

The previous prime is 197230921. The next prime is 197230931. The reversal of 197230927 is 729032791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197230927 - 23 = 197230919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197230927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197230921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98615463 + 98615464.

It is an arithmetic number, because the mean of its divisors is an integer number (98615464).

Almost surely, 2197230927 is an apocalyptic number.

197230927 is a deficient number, since it is larger than the sum of its proper divisors (1).

197230927 is an equidigital number, since it uses as much as digits as its factorization.

197230927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 197230927 is about 14043.8928719924. The cubic root of 197230927 is about 582.0920554820.

The spelling of 197230927 in words is "one hundred ninety-seven million, two hundred thirty thousand, nine hundred twenty-seven".