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132220133 = 277477329
BaseRepresentation
bin1111110000110…
…00010011100101
3100012210110220222
413320120103211
5232322021013
621041534125
73163565303
oct770302345
9305713828
10132220133
11686a8a41
1238344345
1321515186
14137bb273
15b91b508
hex7e184e5

132220133 has 4 divisors (see below), whose sum is σ = 132697740. Its totient is φ = 131742528.

The previous prime is 132220117. The next prime is 132220157. The reversal of 132220133 is 331022231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21696964 + 110523169 = 4658^2 + 10513^2 .

It is a cyclic number.

It is not a de Polignac number, because 132220133 - 24 = 132220117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132220163) 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, 238388 + ... + 238941.

It is an arithmetic number, because the mean of its divisors is an integer number (33174435).

Almost surely, 2132220133 is an apocalyptic number.

It is an amenable number.

132220133 is a deficient number, since it is larger than the sum of its proper divisors (477607).

132220133 is an equidigital number, since it uses as much as digits as its factorization.

132220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477606.

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

The square root of 132220133 is about 11498.7013614582. The cubic root of 132220133 is about 509.4472198553.

Adding to 132220133 its reverse (331022231), we get a palindrome (463242364).

The spelling of 132220133 in words is "one hundred thirty-two million, two hundred twenty thousand, one hundred thirty-three".

Divisors: 1 277 477329 132220133