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136157233 = 1729276181
BaseRepresentation
bin10000001110110…
…01100000110001
3100111012111121111
420013121200301
5234324012413
621302153321
73242213602
oct1007314061
9314174544
10136157233
116a947a43
1239722841
1322293214
1414123da9
15be47d3d
hex81d9831

136157233 has 8 divisors (see below), whose sum is σ = 149138280. Its totient is φ = 123728640.

The previous prime is 136157227. The next prime is 136157279. The reversal of 136157233 is 332751631.

It can be written as a sum of positive squares in 4 ways, for example, as 9437184 + 126720049 = 3072^2 + 11257^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 136157233 - 29 = 136156721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136157195 and 136157204.

It is not an unprimeable number, because it can be changed into a prime (136157293) 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 7 ways as a sum of consecutive naturals, for example, 137598 + ... + 138583.

It is an arithmetic number, because the mean of its divisors is an integer number (18642285).

Almost surely, 2136157233 is an apocalyptic number.

It is an amenable number.

136157233 is a deficient number, since it is larger than the sum of its proper divisors (12981047).

136157233 is a wasteful number, since it uses less digits than its factorization.

136157233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276227.

The product of its digits is 11340, while the sum is 31.

The square root of 136157233 is about 11668.6431516265. The cubic root of 136157233 is about 514.4544233351.

The spelling of 136157233 in words is "one hundred thirty-six million, one hundred fifty-seven thousand, two hundred thirty-three".

Divisors: 1 17 29 493 276181 4695077 8009249 136157233