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133662 = 2322277
BaseRepresentation
bin100000101000011110
320210100110
4200220132
513234122
62510450
71064454
oct405036
9223313
10133662
1191471
1265426
1348ab9
14369d4
152990c
hex20a1e

133662 has 8 divisors (see below), whose sum is σ = 267336. Its totient is φ = 44552.

The previous prime is 133657. The next prime is 133669. The reversal of 133662 is 266331.

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

133662 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 133662.

It is not an unprimeable number, because it can be changed into a prime (133669) by changing a digit.

133662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11133 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (33417).

2133662 is an apocalyptic number.

133662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133662 is a wasteful number, since it uses less digits than its factorization.

133662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22282.

The product of its digits is 648, while the sum is 21.

The square root of 133662 is about 365.5981400390. The cubic root of 133662 is about 51.1292377770.

Adding to 133662 its reverse (266331), we get a palindrome (399993).

The spelling of 133662 in words is "one hundred thirty-three thousand, six hundred sixty-two".

Divisors: 1 2 3 6 22277 44554 66831 133662