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244521319 = 7217293543
BaseRepresentation
bin11101001001100…
…01100101100111
3122001002222012011
432210301211213
51000044140234
640132535051
76026253100
oct1644614547
9561088164
10244521319
11116031539
1269a81487
133b874a93
14246913a7
1516700b64
hexe931967

244521319 has 12 divisors (see below), whose sum is σ = 301176144. Its totient is φ = 197260224.

The previous prime is 244521313. The next prime is 244521323. The reversal of 244521319 is 913125442.

It is not a de Polignac number, because 244521319 - 27 = 244521191 is a prime.

It is a super-2 number, since 2×2445213192 = 119581350890999522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244521313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145939 + ... + 147604.

It is an arithmetic number, because the mean of its divisors is an integer number (25098012).

Almost surely, 2244521319 is an apocalyptic number.

244521319 is a deficient number, since it is larger than the sum of its proper divisors (56654825).

244521319 is a wasteful number, since it uses less digits than its factorization.

244521319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293574 (or 293567 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 244521319 is about 15637.1774627009. The cubic root of 244521319 is about 625.3246901729.

The spelling of 244521319 in words is "two hundred forty-four million, five hundred twenty-one thousand, three hundred nineteen".

Divisors: 1 7 17 49 119 833 293543 2054801 4990231 14383607 34931617 244521319