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244826945 = 51117261847
BaseRepresentation
bin11101001011111…
…00001101000001
3122001200111102122
432211330031001
51000133430240
640143254025
76031665116
oct1645741501
9561614378
10244826945
11116220120
1269baa315
133b950c1c
142473090d
15167614b5
hexe97c341

244826945 has 16 divisors (see below), whose sum is σ = 339355008. Its totient is φ = 167581440.

The previous prime is 244826921. The next prime is 244826947. The reversal of 244826945 is 549628442.

It is a happy number.

244826945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 244826945 - 28 = 244826689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244826896 and 244826905.

It is not an unprimeable number, because it can be changed into a prime (244826947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129989 + ... + 131858.

It is an arithmetic number, because the mean of its divisors is an integer number (21209688).

Almost surely, 2244826945 is an apocalyptic number.

It is an amenable number.

244826945 is a deficient number, since it is larger than the sum of its proper divisors (94528063).

244826945 is a wasteful number, since it uses less digits than its factorization.

244826945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261880.

The product of its digits is 552960, while the sum is 44.

The square root of 244826945 is about 15646.9468267774. The cubic root of 244826945 is about 625.5851117931.

The spelling of 244826945 in words is "two hundred forty-four million, eight hundred twenty-six thousand, nine hundred forty-five".

Divisors: 1 5 11 17 55 85 187 935 261847 1309235 2880317 4451399 14401585 22256995 48965389 244826945