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132401225 = 5211323173
BaseRepresentation
bin1111110010001…
…00100001001001
3100020010200100002
413321010201021
5232343314400
621045452345
73165251255
oct771044111
9306120302
10132401225
1168812000
12384110b5
1321579728
1413827265
15b954ed5
hex7e44849

132401225 has 48 divisors (see below), whose sum is σ = 189523584. Its totient is φ = 91572800.

The previous prime is 132401221. The next prime is 132401239. The reversal of 132401225 is 522104231.

It is not a de Polignac number, because 132401225 - 22 = 132401221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132401197 and 132401206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132401221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 765239 + ... + 765411.

It is an arithmetic number, because the mean of its divisors is an integer number (3948408).

Almost surely, 2132401225 is an apocalyptic number.

It is an amenable number.

132401225 is a deficient number, since it is larger than the sum of its proper divisors (57122359).

132401225 is a wasteful number, since it uses less digits than its factorization.

132401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 132401225 is about 11506.5731214815. The cubic root of 132401225 is about 509.6796976351.

Adding to 132401225 its reverse (522104231), we get a palindrome (654505456).

The spelling of 132401225 in words is "one hundred thirty-two million, four hundred one thousand, two hundred twenty-five".

Divisors: 1 5 11 23 25 55 115 121 173 253 275 575 605 865 1265 1331 1903 2783 3025 3979 4325 6325 6655 9515 13915 19895 20933 30613 33275 43769 47575 69575 99475 104665 153065 218845 230263 481459 523325 765325 1094225 1151315 2407295 5296049 5756575 12036475 26480245 132401225