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195896047 = 474168001
BaseRepresentation
bin10111010110100…
…10001011101111
3111122121112212011
423223102023233
5400122133142
631234422051
74566042334
oct1353221357
9448545764
10195896047
11a063a666
1255731927
133177b329
141c03498b
15122e8417
hexbad22ef

195896047 has 4 divisors (see below), whose sum is σ = 200064096. Its totient is φ = 191728000.

The previous prime is 195896039. The next prime is 195896053. The reversal of 195896047 is 740698591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740698591 = 4091810999.

It is a cyclic number.

It is not a de Polignac number, because 195896047 - 23 = 195896039 is a prime.

It is a super-2 number, since 2×1958960472 = 76750522460452418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195896027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083954 + ... + 2084047.

It is an arithmetic number, because the mean of its divisors is an integer number (50016024).

Almost surely, 2195896047 is an apocalyptic number.

195896047 is a deficient number, since it is larger than the sum of its proper divisors (4168049).

195896047 is an equidigital number, since it uses as much as digits as its factorization.

195896047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168048.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 195896047 is about 13996.2869004604. The cubic root of 195896047 is about 580.7758611985.

The spelling of 195896047 in words is "one hundred ninety-five million, eight hundred ninety-six thousand, forty-seven".

Divisors: 1 47 4168001 195896047