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244232561 = 234325743
BaseRepresentation
bin11101000111010…
…11000101110001
3122000120022002102
432203223011301
51000010420221
640122430145
76023641166
oct1643530561
9560508072
10244232561
111159545a1
1269962355
133b7a3511
142461806d
151669530b
hexe8eb171

244232561 has 12 divisors (see below), whose sum is σ = 260961408. Its totient is φ = 228141144.

The previous prime is 244232551. The next prime is 244232587. The reversal of 244232561 is 165232442.

It is a de Polignac number, because none of the positive numbers 2k-244232561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244232551) 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, 39656 + ... + 45398.

It is an arithmetic number, because the mean of its divisors is an integer number (21746784).

Almost surely, 2244232561 is an apocalyptic number.

It is an amenable number.

244232561 is a deficient number, since it is larger than the sum of its proper divisors (16728847).

244232561 is an equidigital number, since it uses as much as digits as its factorization.

244232561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852 (or 5809 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 244232561 is about 15627.9416750895. The cubic root of 244232561 is about 625.0784422078.

The spelling of 244232561 in words is "two hundred forty-four million, two hundred thirty-two thousand, five hundred sixty-one".

Divisors: 1 23 43 989 1849 5743 42527 132089 246949 5679827 10618807 244232561