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136241225 = 5221432543
BaseRepresentation
bin10000001111011…
…10000001001001
3100111100202211022
420013232001021
5234334204400
621304042225
73243013511
oct1007560111
9314322738
10136241225
116a9a505a
1239763375
13222c2513
1414146841
15be62b85
hex81ee049

136241225 has 12 divisors (see below), whose sum is σ = 169084416. Its totient is φ = 108899280.

The previous prime is 136241221. The next prime is 136241227. The reversal of 136241225 is 522142631.

It is a happy number.

It is not a de Polignac number, because 136241225 - 22 = 136241221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136241194 and 136241203.

It is not an unprimeable number, because it can be changed into a prime (136241221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52304 + ... + 54846.

It is an arithmetic number, because the mean of its divisors is an integer number (14090368).

Almost surely, 2136241225 is an apocalyptic number.

It is an amenable number.

136241225 is a deficient number, since it is larger than the sum of its proper divisors (32843191).

136241225 is a wasteful number, since it uses less digits than its factorization.

136241225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696 (or 4691 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 136241225 is about 11672.2416441744. The cubic root of 136241225 is about 514.5601862900.

Adding to 136241225 its reverse (522142631), we get a palindrome (658383856).

The spelling of 136241225 in words is "one hundred thirty-six million, two hundred forty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 2143 2543 10715 12715 53575 63575 5449649 27248245 136241225