Search a number
-
+
149158586 = 288184653
BaseRepresentation
bin10001110001111…
…11101010111010
3101101200001010002
420320333222322
5301141033321
622444553002
73460553453
oct1070775272
9341601102
10149158586
1177218065
1241b52762
1324b95c25
1415b4a12a
15d16520b
hex8e3faba

149158586 has 8 divisors (see below), whose sum is σ = 223994484. Its totient is φ = 74493760.

The previous prime is 149158567. The next prime is 149158621. The reversal of 149158586 is 685851941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119793025 + 29365561 = 10945^2 + 5419^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 149158586.

It is an unprimeable number.

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, 40565 + ... + 44088.

Almost surely, 2149158586 is an apocalyptic number.

149158586 is a deficient number, since it is larger than the sum of its proper divisors (74835898).

149158586 is an equidigital number, since it uses as much as digits as its factorization.

149158586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85536.

The product of its digits is 345600, while the sum is 47.

The square root of 149158586 is about 12213.0498238564. The cubic root of 149158586 is about 530.3339369357. Note that the first 3 decimals are identical.

The spelling of 149158586 in words is "one hundred forty-nine million, one hundred fifty-eight thousand, five hundred eighty-six".

Divisors: 1 2 881 1762 84653 169306 74579293 149158586