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244740740 = 22512237037
BaseRepresentation
bin11101001011001…
…11001010000100
3122001112010011212
432211213022010
51000123200430
640141350552
76031155566
oct1645471204
9561463155
10244740740
11116171382
1269b68458
133b92090a
142470b336
1516745b95
hexe967284

244740740 has 12 divisors (see below), whose sum is σ = 513955596. Its totient is φ = 97896288.

The previous prime is 244740737. The next prime is 244740761. The reversal of 244740740 is 47047442.

It can be written as a sum of positive squares in 2 ways, for example, as 125843524 + 118897216 = 11218^2 + 10904^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 244740697 and 244740706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6118499 + ... + 6118538.

It is an arithmetic number, because the mean of its divisors is an integer number (42829633).

Almost surely, 2244740740 is an apocalyptic number.

244740740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244740740 is an abundant number, since it is smaller than the sum of its proper divisors (269214856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244740740 is a wasteful number, since it uses less digits than its factorization.

244740740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12237046 (or 12237044 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 244740740 is about 15644.1918934792. The cubic root of 244740740 is about 625.5116791142.

The spelling of 244740740 in words is "two hundred forty-four million, seven hundred forty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 12237037 24474074 48948148 61185185 122370370 244740740