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244220241 = 3344923603
BaseRepresentation
bin11101000111010…
…00000101010001
3122000112200012010
432203220011101
51000010021431
640122253133
76023560236
oct1643500521
9560480163
10244220241
11115946311
12699571a9
133b79aa25
142461378d
1516691846
hexe8e8151

244220241 has 8 divisors (see below), whose sum is σ = 325735200. Its totient is φ = 162759392.

The previous prime is 244220219. The next prime is 244220257. The reversal of 244220241 is 142022442.

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 244220241 - 213 = 244212049 is a prime.

It is a super-2 number, since 2×2442202412 = 119287052228196162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244220341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455 + ... + 22148.

It is an arithmetic number, because the mean of its divisors is an integer number (40716900).

Almost surely, 2244220241 is an apocalyptic number.

It is an amenable number.

244220241 is a deficient number, since it is larger than the sum of its proper divisors (81514959).

244220241 is a wasteful number, since it uses less digits than its factorization.

244220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27055.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 244220241 is about 15627.5475043271. The cubic root of 244220241 is about 625.0679316029.

Adding to 244220241 its reverse (142022442), we get a palindrome (386242683).

The spelling of 244220241 in words is "two hundred forty-four million, two hundred twenty thousand, two hundred forty-one".

Divisors: 1 3 3449 10347 23603 70809 81406747 244220241