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244287340 = 225111110397
BaseRepresentation
bin11101000111110…
…00011101101100
3122000200002020021
432203320131230
51000014143330
640123531524
76024256663
oct1643703554
9560602207
10244287340
11115991770
1269989ba4
133b7c242b
142462ddda
15166a667a
hexe8f876c

244287340 has 24 divisors (see below), whose sum is σ = 559640592. Its totient is φ = 88831680.

The previous prime is 244287319. The next prime is 244287349. The reversal of 244287340 is 43782442.

It is a junction number, because it is equal to n+sod(n) for n = 244287296 and 244287305.

It is not an unprimeable number, because it can be changed into a prime (244287349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554979 + ... + 555418.

It is an arithmetic number, because the mean of its divisors is an integer number (23318358).

Almost surely, 2244287340 is an apocalyptic number.

244287340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244287340 is an abundant number, since it is smaller than the sum of its proper divisors (315353252).

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

244287340 is a wasteful number, since it uses less digits than its factorization.

244287340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110417 (or 1110415 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 244287340 is about 15629.6941748711. The cubic root of 244287340 is about 625.1251717296.

The spelling of 244287340 in words is "two hundred forty-four million, two hundred eighty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1110397 2220794 4441588 5551985 11103970 12214367 22207940 24428734 48857468 61071835 122143670 244287340