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223000144 = 2414279767
BaseRepresentation
bin11010100101010…
…11011001010000
3120112121120200121
431102223121100
5424042001034
634043400024
75345320123
oct1522533120
9515546617
10223000144
11104972344
1262823014
133727b163
142188c3ba
151489e1b4
hexd4ab650

223000144 has 20 divisors (see below), whose sum is σ = 432409824. Its totient is φ = 111410528.

The previous prime is 223000139. The next prime is 223000159. The reversal of 223000144 is 441000322.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 17949 + ... + 27715.

Almost surely, 2223000144 is an apocalyptic number.

It is an amenable number.

223000144 is a deficient number, since it is larger than the sum of its proper divisors (209409680).

223000144 is a wasteful number, since it uses less digits than its factorization.

223000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202 (or 11196 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 223000144 is about 14933.1893445439. The cubic root of 223000144 is about 606.4128299790.

Adding to 223000144 its reverse (441000322), we get a palindrome (664000466).

The spelling of 223000144 in words is "two hundred twenty-three million, one hundred forty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 1427 2854 5708 9767 11416 19534 22832 39068 78136 156272 13937509 27875018 55750036 111500072 223000144