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133460 = 2256673
BaseRepresentation
bin100000100101010100
320210001222
4200211110
513232320
62505512
71064045
oct404524
9223058
10133460
11912a8
1265298
1348992
14368cc
1529825
hex20954

133460 has 12 divisors (see below), whose sum is σ = 280308. Its totient is φ = 53376.

The previous prime is 133451. The next prime is 133481. The reversal of 133460 is 64331.

It can be written as a sum of positive squares in 2 ways, for example, as 21904 + 111556 = 148^2 + 334^2 .

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

133460 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3317 + ... + 3356.

It is an arithmetic number, because the mean of its divisors is an integer number (23359).

2133460 is an apocalyptic number.

133460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133460 is an abundant number, since it is smaller than the sum of its proper divisors (146848).

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

133460 is a wasteful number, since it uses less digits than its factorization.

133460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682 (or 6680 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133460 is about 365.3217759729. The cubic root of 133460 is about 51.1034680163.

Adding to 133460 its reverse (64331), we get a palindrome (197791).

The spelling of 133460 in words is "one hundred thirty-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 6673 13346 26692 33365 66730 133460