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244768740 = 22354079479
BaseRepresentation
bin11101001011011…
…01111111100100
3122001120112120220
432211231333210
51000130044430
640142124340
76031333326
oct1645557744
9561515526
10244768740
11116190417
1269b806b0
133b930598
1424717616
151674e110
hexe96dfe4

244768740 has 24 divisors (see below), whose sum is σ = 685352640. Its totient is φ = 65271648.

The previous prime is 244768723. The next prime is 244768747. The reversal of 244768740 is 47867442.

It is a junction number, because it is equal to n+sod(n) for n = 244768692 and 244768701.

It is not an unprimeable number, because it can be changed into a prime (244768747) 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, 2039680 + ... + 2039799.

It is an arithmetic number, because the mean of its divisors is an integer number (28556360).

Almost surely, 2244768740 is an apocalyptic number.

244768740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244768740 is an abundant number, since it is smaller than the sum of its proper divisors (440583900).

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

244768740 is a wasteful number, since it uses less digits than its factorization.

244768740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079491 (or 4079489 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 244768740 is about 15645.0867686951. The cubic root of 244768740 is about 625.5355324636.

The spelling of 244768740 in words is "two hundred forty-four million, seven hundred sixty-eight thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4079479 8158958 12238437 16317916 20397395 24476874 40794790 48953748 61192185 81589580 122384370 244768740