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244250513 = 13127714713
BaseRepresentation
bin11101000111011…
…11011110010001
3122000121012201022
432203233132101
51000012004023
640123045225
76024044423
oct1643573621
9560535638
10244250513
11115967031
1269970815
133b7ab740
1424620813
151669a7c8
hexe8ef791

244250513 has 8 divisors (see below), whose sum is σ = 263262888. Its totient is φ = 225270144.

The previous prime is 244250477. The next prime is 244250521. The reversal of 244250513 is 315052442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37552384 + 206698129 = 6128^2 + 14377^2 .

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 244250513 - 222 = 240056209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244250533) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9245 + ... + 23957.

It is an arithmetic number, because the mean of its divisors is an integer number (32907861).

Almost surely, 2244250513 is an apocalyptic number.

It is an amenable number.

244250513 is a deficient number, since it is larger than the sum of its proper divisors (19012375).

244250513 is a wasteful number, since it uses less digits than its factorization.

244250513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 244250513 is about 15628.5160204032. The cubic root of 244250513 is about 625.0937570280.

The spelling of 244250513 in words is "two hundred forty-four million, two hundred fifty thousand, five hundred thirteen".

Divisors: 1 13 1277 14713 16601 191269 18788501 244250513