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144228094 = 272114047
BaseRepresentation
bin10001001100010…
…11111011111110
3101001101112202021
420212023323332
5243410244334
622151150354
73400630033
oct1046137376
9331345667
10144228094
117445a77a
12403753ba
1323b5a98a
141522538a
15c9de3b4
hex898befe

144228094 has 4 divisors (see below), whose sum is σ = 216342144. Its totient is φ = 72114046.

The previous prime is 144228079. The next prime is 144228113. The reversal of 144228094 is 490822441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490822441 = 1912569751.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 36057022 + ... + 36057025.

It is an arithmetic number, because the mean of its divisors is an integer number (54085536).

Almost surely, 2144228094 is an apocalyptic number.

144228094 is a deficient number, since it is larger than the sum of its proper divisors (72114050).

144228094 is an equidigital number, since it uses as much as digits as its factorization.

144228094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72114049.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 144228094 is about 12009.5001561264. The cubic root of 144228094 is about 524.4248807133.

The spelling of 144228094 in words is "one hundred forty-four million, two hundred twenty-eight thousand, ninety-four".

Divisors: 1 2 72114047 144228094