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195288 = 23379103
BaseRepresentation
bin101111101011011000
3100220212220
4233223120
522222123
64104040
71442232
oct575330
9326786
10195288
111237a5
1295020
136ab72
1451252
153cce3

195288 has 32 divisors (see below), whose sum is σ = 499200. Its totient is φ = 63648.

The previous prime is 195281. The next prime is 195311. The reversal of 195288 is 882591.

It is a happy number.

It is a super-3 number, since 3×1952883 = 22343331438383616, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (15600).

2195288 is an apocalyptic number.

It is an amenable number.

195288 is an abundant number, since it is smaller than the sum of its proper divisors (303912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195288 is a wasteful number, since it uses less digits than its factorization.

195288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 187 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 195288 is about 441.9140187865. The cubic root of 195288 is about 58.0174343149.

The spelling of 195288 in words is "one hundred ninety-five thousand, two hundred eighty-eight".