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159860 = 2257993
BaseRepresentation
bin100111000001110100
322010021202
4213001310
520103420
63232032
71234031
oct470164
9263252
10159860
11aa118
1278618
13579bc
1442388
1532575
hex27074

159860 has 12 divisors (see below), whose sum is σ = 335748. Its totient is φ = 63936.

The previous prime is 159857. The next prime is 159869. The reversal of 159860 is 68951.

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 126736 = 182^2 + 356^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159869) 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, 3977 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (27979).

2159860 is an apocalyptic number.

159860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159860 is an abundant number, since it is smaller than the sum of its proper divisors (175888).

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

159860 is a wasteful number, since it uses less digits than its factorization.

159860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002 (or 8000 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 159860 is about 399.8249617020. The cubic root of 159860 is about 54.2725136086.

Subtracting from 159860 its reverse (68951), we obtain a palindrome (90909).

The spelling of 159860 in words is "one hundred fifty-nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 7993 15986 31972 39965 79930 159860