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244427087 = 459753171
BaseRepresentation
bin11101001000110…
…10100101001111
3122000221011221002
432210122211033
51000033131322
640130530515
76025411262
oct1644324517
9560834832
10244427087
11115a77763
1269a36a3b
133b840c18
1424668cd9
15166d2c92
hexe91a94f

244427087 has 4 divisors (see below), whose sum is σ = 244484856. Its totient is φ = 244369320.

The previous prime is 244427083. The next prime is 244427107. The reversal of 244427087 is 780724442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244427087 - 22 = 244427083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244427087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244427083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21989 + ... + 31182.

It is an arithmetic number, because the mean of its divisors is an integer number (61121214).

Almost surely, 2244427087 is an apocalyptic number.

244427087 is a deficient number, since it is larger than the sum of its proper divisors (57769).

244427087 is an equidigital number, since it uses as much as digits as its factorization.

244427087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57768.

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 244427087 is about 15634.1640966187. The cubic root of 244427087 is about 625.2443520282.

The spelling of 244427087 in words is "two hundred forty-four million, four hundred twenty-seven thousand, eighty-seven".

Divisors: 1 4597 53171 244427087