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244443130 = 2524444313
BaseRepresentation
bin11101001000111…
…10011111111010
3122000221222221021
432210132133322
51000034140010
640131133054
76025506121
oct1644363772
9560858837
10244443130
11115a88818
1269a4418a
133b848309
1424670ab8
15166d78da
hexe91e7fa

244443130 has 8 divisors (see below), whose sum is σ = 439997652. Its totient is φ = 97777248.

The previous prime is 244443097. The next prime is 244443139. The reversal of 244443130 is 31344442.

It can be written as a sum of positive squares in 2 ways, for example, as 244390689 + 52441 = 15633^2 + 229^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 244443095 and 244443104.

It is not an unprimeable number, because it can be changed into a prime (244443139) 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, 12222147 + ... + 12222166.

Almost surely, 2244443130 is an apocalyptic number.

244443130 is a deficient number, since it is larger than the sum of its proper divisors (195554522).

244443130 is a wasteful number, since it uses less digits than its factorization.

244443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24444320.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 244443130 is about 15634.6771632803. The cubic root of 244443130 is about 625.2580310573.

Adding to 244443130 its reverse (31344442), we get a palindrome (275787572).

The spelling of 244443130 in words is "two hundred forty-four million, four hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 24444313 48888626 122221565 244443130