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159895 = 5113283
BaseRepresentation
bin100111000010010111
322010100001
4213002113
520104040
63232131
71234111
oct470227
9263301
10159895
11aa14a
1278647
1357a18
14423b1
153259a
hex27097

159895 has 8 divisors (see below), whose sum is σ = 194256. Its totient is φ = 126336.

The previous prime is 159871. The next prime is 159899. The reversal of 159895 is 598951.

159895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

159895 is a nontrivial binomial coefficient, being equal to C(566, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 7-Lehmer number, since φ(159895) divides (159895-1)7.

It is a cyclic number.

It is not a de Polignac number, because 159895 - 213 = 151703 is a prime.

It is a super-2 number, since 2×1598952 = 51132822050, 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 (159899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (24282).

2159895 is an apocalyptic number.

159895 is the 565-th triangular number and also the 283-rd hexagonal number.

159895 is the 189-th centered nonagonal number.

159895 is a deficient number, since it is larger than the sum of its proper divisors (34361).

159895 is a wasteful number, since it uses less digits than its factorization.

159895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its digits is 16200, while the sum is 37.

The square root of 159895 is about 399.8687284597. The cubic root of 159895 is about 54.2764741561.

The spelling of 159895 in words is "one hundred fifty-nine thousand, eight hundred ninety-five".

Divisors: 1 5 113 283 565 1415 31979 159895