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196692493 is a prime number
BaseRepresentation
bin10111011100101…
…00101000001101
3111201010000101011
423232110220031
5400323124433
631303445221
74605600334
oct1356245015
9451100334
10196692493
11a1033a88
1255a56811
13319999ba
141c1a0d1b
15124043cd
hexbb94a0d

196692493 has 2 divisors, whose sum is σ = 196692494. Its totient is φ = 196692492.

The previous prime is 196692491. The next prime is 196692521. The reversal of 196692493 is 394296691.

196692493 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., 134629609 + 62062884 = 11603^2 + 7878^2 .

It is a cyclic number.

It is not a de Polignac number, because 196692493 - 21 = 196692491 is a prime.

Together with 196692491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196692491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98346246 + 98346247.

It is an arithmetic number, because the mean of its divisors is an integer number (98346247).

Almost surely, 2196692493 is an apocalyptic number.

It is an amenable number.

196692493 is a deficient number, since it is larger than the sum of its proper divisors (1).

196692493 is an equidigital number, since it uses as much as digits as its factorization.

196692493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 49.

The square root of 196692493 is about 14024.7100861301. The cubic root of 196692493 is about 581.5618752866.

The spelling of 196692493 in words is "one hundred ninety-six million, six hundred ninety-two thousand, four hundred ninety-three".