Search a number
-
+
132231320 = 23513254291
BaseRepresentation
bin1111110000110…
…11000010011000
3100012211001021022
413320123002120
5232322400240
621042102012
73163643024
oct770330230
9305731238
10132231320
1168706391
123834a908
132151a2b0
14137c1384
15b91e9b5
hex7e1b098

132231320 has 32 divisors (see below), whose sum is σ = 320407920. Its totient is φ = 48823680.

The previous prime is 132231313. The next prime is 132231353. The reversal of 132231320 is 23132231.

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 7 ways as a sum of consecutive naturals, for example, 126626 + ... + 127665.

Almost surely, 2132231320 is an apocalyptic number.

132231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132231320 is an abundant number, since it is smaller than the sum of its proper divisors (188176600).

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

132231320 is a wasteful number, since it uses less digits than its factorization.

132231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254315 (or 254311 counting only the distinct ones).

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

The square root of 132231320 is about 11499.1877974055. The cubic root of 132231320 is about 509.4615873731.

Adding to 132231320 its reverse (23132231), we get a palindrome (155363551).

The spelling of 132231320 in words is "one hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 254291 508582 1017164 1271455 2034328 2542910 3305783 5085820 6611566 10171640 13223132 16528915 26446264 33057830 66115660 132231320