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133160 = 2353329
BaseRepresentation
bin100000100000101000
320202122212
4200200220
513230120
62504252
71063136
oct404050
9222585
10133160
1191055
1265088
13487c1
1436756
15296c5
hex20828

133160 has 16 divisors (see below), whose sum is σ = 299700. Its totient is φ = 53248.

The previous prime is 133157. The next prime is 133169. The reversal of 133160 is 61331.

It can be written as a sum of positive squares in 2 ways, for example, as 131044 + 2116 = 362^2 + 46^2 .

It is not an unprimeable number, because it can be changed into a prime (133169) 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, 1625 + ... + 1704.

2133160 is an apocalyptic number.

133160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133160 is an abundant number, since it is smaller than the sum of its proper divisors (166540).

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

133160 is a wasteful number, since it uses less digits than its factorization.

133160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133160 is about 364.9109480408. The cubic root of 133160 is about 51.0651480649.

Adding to 133160 its reverse (61331), we get a palindrome (194491).

The spelling of 133160 in words is "one hundred thirty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 3329 6658 13316 16645 26632 33290 66580 133160