Search a number
-
+
132420208 = 2417486839
BaseRepresentation
bin1111110010010…
…01001001110000
3100020011122101011
413321021021300
5232344421313
621050120304
73165360514
oct771111160
9306148334
10132420208
1168825298
1238420094
132158526b
1413830144
15b95a93d
hex7e49270

132420208 has 20 divisors (see below), whose sum is σ = 271656720. Its totient is φ = 62315264.

The previous prime is 132420187. The next prime is 132420221. The reversal of 132420208 is 802024231.

It is a super-2 number, since 2×1324202082 = 35070222973526528, which contains 22 as substring.

It is a congruent number.

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, 243148 + ... + 243691.

It is an arithmetic number, because the mean of its divisors is an integer number (13582836).

Almost surely, 2132420208 is an apocalyptic number.

It is an amenable number.

132420208 is an abundant number, since it is smaller than the sum of its proper divisors (139236512).

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

132420208 is a wasteful number, since it uses less digits than its factorization.

132420208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486864 (or 486858 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 132420208 is about 11507.3979682637. The cubic root of 132420208 is about 509.7040548804.

Adding to 132420208 its reverse (802024231), we get a palindrome (934444439).

The spelling of 132420208 in words is "one hundred thirty-two million, four hundred twenty thousand, two hundred eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 486839 973678 1947356 3894712 7789424 8276263 16552526 33105052 66210104 132420208