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1144894 = 22324889
BaseRepresentation
bin100010111100000111110
32011011111111
410113200332
5243114034
640312234
712505612
oct4274076
92134444
101144894
117121a3
1247267a
1331116a
1421b342
15179364
hex11783e

1144894 has 8 divisors (see below), whose sum is σ = 1792080. Its totient is φ = 547536.

The previous prime is 1144889. The next prime is 1144901. The reversal of 1144894 is 4984411.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12399 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (224010).

21144894 is an apocalyptic number.

1144894 is a deficient number, since it is larger than the sum of its proper divisors (647186).

1144894 is a wasteful number, since it uses less digits than its factorization.

1144894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24914.

The product of its digits is 4608, while the sum is 31.

The square root of 1144894 is about 1069.9971962580. The cubic root of 1144894 is about 104.6136672096.

The spelling of 1144894 in words is "one million, one hundred forty-four thousand, eight hundred ninety-four".

Divisors: 1 2 23 46 24889 49778 572447 1144894