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196269457 = 211930187
BaseRepresentation
bin10111011001011…
…01010110010001
3111200022112002011
423230231112101
5400221110312
631250422521
74602156106
oct1354552621
9450275064
10196269457
11a087516a
1255891a41
133187c297
141c0d0aad
151236dda7
hexbb2d591

196269457 has 4 divisors (see below), whose sum is σ = 197199856. Its totient is φ = 195339060.

The previous prime is 196269443. The next prime is 196269461. The reversal of 196269457 is 754962691.

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 196269457 - 219 = 195745169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196269457.

It is not an unprimeable number, because it can be changed into a prime (196269427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464883 + ... + 465304.

It is an arithmetic number, because the mean of its divisors is an integer number (49299964).

Almost surely, 2196269457 is an apocalyptic number.

It is an amenable number.

196269457 is a deficient number, since it is larger than the sum of its proper divisors (930399).

196269457 is an equidigital number, since it uses as much as digits as its factorization.

196269457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930398.

The product of its digits is 816480, while the sum is 49.

The square root of 196269457 is about 14009.6201590193. The cubic root of 196269457 is about 581.1446449971.

The spelling of 196269457 in words is "one hundred ninety-six million, two hundred sixty-nine thousand, four hundred fifty-seven".

Divisors: 1 211 930187 196269457