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133232 = 2411757
BaseRepresentation
bin100000100001110000
320202202112
4200201300
513230412
62504452
71063301
oct404160
9222675
10133232
1191110
1265128
1348848
14367a8
1529722
hex20870

133232 has 20 divisors (see below), whose sum is σ = 281976. Its totient is φ = 60480.

The previous prime is 133213. The next prime is 133241. The reversal of 133232 is 232331.

It is a d-powerful number, because it can be written as 1 + 3 + 211 + 33 + 34 + 217 .

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203 + ... + 554.

2133232 is an apocalyptic number.

It is an amenable number.

133232 is an abundant number, since it is smaller than the sum of its proper divisors (148744).

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

133232 is a wasteful number, since it uses less digits than its factorization.

133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its digits is 108, while the sum is 14.

The square root of 133232 is about 365.0095889151. The cubic root of 133232 is about 51.0743500980.

Adding to 133232 its reverse (232331), we get a palindrome (365563).

Subtracting 133232 from its reverse (232331), we obtain a palindrome (99099).

It can be divided in two parts, 1332 and 32, that multiplied together give a palindrome (42624).

The spelling of 133232 in words is "one hundred thirty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 757 1514 3028 6056 8327 12112 16654 33308 66616 133232