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23115194 = 2109106033
BaseRepresentation
bin101100000101…
…1010110111010
31121111101002022
41120023112322
521404141234
62143234442
7400322144
oct130132672
947441068
1023115194
1112058873
1278a8a22
134a3433b
1430d9c94
152068e2e
hex160b5ba

23115194 has 8 divisors (see below), whose sum is σ = 34991220. Its totient is φ = 11451456.

The previous prime is 23115187. The next prime is 23115203. The reversal of 23115194 is 49151132.

It can be written as a sum of positive squares in 2 ways, for example, as 22686169 + 429025 = 4763^2 + 655^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52799 + ... + 53234.

Almost surely, 223115194 is an apocalyptic number.

23115194 is a deficient number, since it is larger than the sum of its proper divisors (11876026).

23115194 is a wasteful number, since it uses less digits than its factorization.

23115194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106144.

The product of its digits is 1080, while the sum is 26.

The square root of 23115194 is about 4807.8263279782. The cubic root of 23115194 is about 284.8606849627.

It can be divided in two parts, 23 and 115194, that multiplied together give a palindrome (2649462).

The spelling of 23115194 in words is "twenty-three million, one hundred fifteen thousand, one hundred ninety-four".

Divisors: 1 2 109 218 106033 212066 11557597 23115194