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136292289 = 376490109
BaseRepresentation
bin10000001111110…
…10011111000001
3100111110100212120
420013322133001
5234342323124
621305114453
73243315420
oct1007723701
9314410776
10136292289
116aa2a461
1239788a29
132230c833
141415b2b7
15be72d79
hex81fa7c1

136292289 has 8 divisors (see below), whose sum is σ = 207683520. Its totient is φ = 77881296.

The previous prime is 136292279. The next prime is 136292291. The reversal of 136292289 is 982292631.

136292289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136292289 - 217 = 136161217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136292289.

It is not an unprimeable number, because it can be changed into a prime (136292279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245034 + ... + 3245075.

It is an arithmetic number, because the mean of its divisors is an integer number (25960440).

Almost surely, 2136292289 is an apocalyptic number.

It is an amenable number.

136292289 is a deficient number, since it is larger than the sum of its proper divisors (71391231).

136292289 is an equidigital number, since it uses as much as digits as its factorization.

136292289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490119.

The product of its digits is 93312, while the sum is 42.

The square root of 136292289 is about 11674.4288511259. The cubic root of 136292289 is about 514.6244649724.

The spelling of 136292289 in words is "one hundred thirty-six million, two hundred ninety-two thousand, two hundred eighty-nine".

Divisors: 1 3 7 21 6490109 19470327 45430763 136292289