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159885 = 325111719
BaseRepresentation
bin100111000010001101
322010022200
4213002031
520104020
63232113
71234065
oct470215
9263280
10159885
11aa140
1278639
1357a0b
14423a5
1532590
hex2708d

159885 has 48 divisors (see below), whose sum is σ = 336960. Its totient is φ = 69120.

The previous prime is 159871. The next prime is 159899. The reversal of 159885 is 588951.

159885 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (159871) and next prime (159899).

It is not a de Polignac number, because 159885 - 24 = 159869 is a prime.

159885 is strictly pandigital in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8406 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (7020).

2159885 is an apocalyptic number.

159885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159885 is an abundant number, since it is smaller than the sum of its proper divisors (177075).

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

159885 is a wasteful number, since it uses less digits than its factorization.

159885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 55 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 159885 is about 399.8562241606. The cubic root of 159885 is about 54.2753426301.

It can be divided in two parts, 159 and 885, that multiplied together give a triangular number (140715 = T530).

The spelling of 159885 in words is "one hundred fifty-nine thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 11 15 17 19 33 45 51 55 57 85 95 99 153 165 171 187 209 255 285 323 495 561 627 765 855 935 969 1045 1615 1683 1881 2805 2907 3135 3553 4845 8415 9405 10659 14535 17765 31977 53295 159885