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244625641 = 1322695381
BaseRepresentation
bin11101001010010…
…11000011101001
3122001022021021221
432211023003221
51000111010031
640135102041
76030166201
oct1645130351
9561267257
10244625641
111160a2957
1269b11921
133b8b0400
14246bb401
1516721a11
hexe94b0e9

244625641 has 12 divisors (see below), whose sum is σ = 265924620. Its totient is φ = 224927040.

The previous prime is 244625629. The next prime is 244625653. The reversal of 244625641 is 146526442.

244625641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (244625629) and next prime (244625653).

It can be written as a sum of positive squares in 6 ways, for example, as 111915241 + 132710400 = 10579^2 + 11520^2 .

It is not a de Polignac number, because 244625641 - 25 = 244625609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244625597 and 244625606.

It is not an unprimeable number, because it can be changed into a prime (244625621) 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, 42771 + ... + 48151.

It is an arithmetic number, because the mean of its divisors is an integer number (22160385).

Almost surely, 2244625641 is an apocalyptic number.

It is an amenable number.

244625641 is a deficient number, since it is larger than the sum of its proper divisors (21298979).

244625641 is a wasteful number, since it uses less digits than its factorization.

244625641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676 (or 5663 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 244625641 is about 15640.5128112860. The cubic root of 244625641 is about 625.4136065470.

It can be divided in two parts, 24462 and 5641, that added together give a palindrome (30103).

The spelling of 244625641 in words is "two hundred forty-four million, six hundred twenty-five thousand, six hundred forty-one".

Divisors: 1 13 169 269 3497 5381 45461 69953 909389 1447489 18817357 244625641