Search a number
-
+
210220132 = 22268719559
BaseRepresentation
bin11001000011110…
…11010001100100
3112122120021210211
430201323101210
5412304021012
632505425204
75131561453
oct1441732144
9478507724
10210220132
11a8733551
125a49b204
1334725115
141dcc2b9a
15136c76a7
hexc87b464

210220132 has 12 divisors (see below), whose sum is σ = 368040960. Its totient is φ = 105065576.

The previous prime is 210220111. The next prime is 210220151. The reversal of 210220132 is 231022012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969 + ... + 20527.

It is an arithmetic number, because the mean of its divisors is an integer number (30670080).

Almost surely, 2210220132 is an apocalyptic number.

It is an amenable number.

210220132 is a deficient number, since it is larger than the sum of its proper divisors (157820828).

210220132 is a wasteful number, since it uses less digits than its factorization.

210220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250 (or 22248 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 210220132 is about 14498.9700323851. The cubic root of 210220132 is about 594.5998128162.

Adding to 210220132 its reverse (231022012), we get a palindrome (441242144).

The spelling of 210220132 in words is "two hundred ten million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 4 2687 5374 10748 19559 39118 78236 52555033 105110066 210220132