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136232573 = 539325261
BaseRepresentation
bin10000001111010…
…11111001111101
3100111100022221212
420013223321331
5234333420243
621303534205
73242646341
oct1007537175
9314308855
10136232573
116a999604
123975a365
13222bb5b9
1414143621
15be60318
hex81ebe7d

136232573 has 4 divisors (see below), whose sum is σ = 136263228. Its totient is φ = 136201920.

The previous prime is 136232561. The next prime is 136232597. The reversal of 136232573 is 375232631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375232631 = 477983673.

It can be written as a sum of positive squares in 2 ways, for example, as 78198649 + 58033924 = 8843^2 + 7618^2 .

It is a cyclic number.

It is not a de Polignac number, because 136232573 - 210 = 136231549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136237573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7238 + ... + 18023.

It is an arithmetic number, because the mean of its divisors is an integer number (34065807).

Almost surely, 2136232573 is an apocalyptic number.

It is an amenable number.

136232573 is a deficient number, since it is larger than the sum of its proper divisors (30655).

136232573 is an equidigital number, since it uses as much as digits as its factorization.

136232573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30654.

The product of its digits is 22680, while the sum is 32.

The square root of 136232573 is about 11671.8710153942. The cubic root of 136232573 is about 514.5492936766.

The spelling of 136232573 in words is "one hundred thirty-six million, two hundred thirty-two thousand, five hundred seventy-three".

Divisors: 1 5393 25261 136232573