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244634881 is a prime number
BaseRepresentation
bin11101001010011…
…01010100000001
3122001022201222011
432211031110001
51000111304011
640135212521
76030235141
oct1645152401
9561281864
10244634881
111160a9897
1269b17141
133b8b468a
14246c0921
1516724621
hexe94d501

244634881 has 2 divisors, whose sum is σ = 244634882. Its totient is φ = 244634880.

The previous prime is 244634843. The next prime is 244634927. The reversal of 244634881 is 188436442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244609600 + 25281 = 15640^2 + 159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244634881 is a prime.

It is a super-2 number, since 2×2446348812 = 119692450003768322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244634821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122317440 + 122317441.

It is an arithmetic number, because the mean of its divisors is an integer number (122317441).

Almost surely, 2244634881 is an apocalyptic number.

It is an amenable number.

244634881 is a deficient number, since it is larger than the sum of its proper divisors (1).

244634881 is an equidigital number, since it uses as much as digits as its factorization.

244634881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 40.

The square root of 244634881 is about 15640.8081952308. The cubic root of 244634881 is about 625.4214808224.

The spelling of 244634881 in words is "two hundred forty-four million, six hundred thirty-four thousand, eight hundred eighty-one".