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196457 = 712767
BaseRepresentation
bin101111111101101001
3100222111012
4233331221
522241312
64113305
71445522
oct577551
9328435
10196457
11124668
1295835
136b561
1451849
153d322
hex2ff69

196457 has 4 divisors (see below), whose sum is σ = 199296. Its totient is φ = 193620.

The previous prime is 196453. The next prime is 196459. The reversal of 196457 is 754691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196457 - 22 = 196453 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (196453) 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 in 3 ways as a sum of consecutive naturals, for example, 1313 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (49824).

2196457 is an apocalyptic number.

It is an amenable number.

196457 is a deficient number, since it is larger than the sum of its proper divisors (2839).

196457 is an equidigital number, since it uses as much as digits as its factorization.

196457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838.

The product of its digits is 7560, while the sum is 32.

The square root of 196457 is about 443.2347008076. The cubic root of 196457 is about 58.1329688076.

The spelling of 196457 in words is "one hundred ninety-six thousand, four hundred fifty-seven".

Divisors: 1 71 2767 196457