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244012321 = 7269129587
BaseRepresentation
bin11101000101101…
…01010100100001
3122000011002222101
432202311110201
5444431343241
640114010401
76022033120
oct1642652441
9560132871
10244012321
11115814083
1269876a01
133b7271b7
142459bab7
151664ee31
hexe8b5521

244012321 has 8 divisors (see below), whose sum is σ = 279910080. Its totient is φ = 208374288.

The previous prime is 244012319. The next prime is 244012331. The reversal of 244012321 is 123210442.

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

It is a cyclic number.

It is not a de Polignac number, because 244012321 - 21 = 244012319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244012331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62911 + ... + 66676.

It is an arithmetic number, because the mean of its divisors is an integer number (34988760).

Almost surely, 2244012321 is an apocalyptic number.

It is an amenable number.

244012321 is a deficient number, since it is larger than the sum of its proper divisors (35897759).

244012321 is a wasteful number, since it uses less digits than its factorization.

244012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129863.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 244012321 is about 15620.8937324341. The cubic root of 244012321 is about 624.8904947349.

Adding to 244012321 its reverse (123210442), we get a palindrome (367222763).

The spelling of 244012321 in words is "two hundred forty-four million, twelve thousand, three hundred twenty-one".

Divisors: 1 7 269 1883 129587 907109 34858903 244012321