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244466240 = 265763957
BaseRepresentation
bin11101001001001…
…00001001000000
3122001000011122012
432210210021000
51000040404430
640131432052
76025633364
oct1644441100
9561004565
10244466240
11115aa4117
1269a55628
133b8559a5
14246792a4
15166de695
hexe924240

244466240 has 28 divisors (see below), whose sum is σ = 582135996. Its totient is φ = 97786368.

The previous prime is 244466221. The next prime is 244466251. The reversal of 244466240 is 42664442.

It can be written as a sum of positive squares in 2 ways, for example, as 193543744 + 50922496 = 13912^2 + 7136^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 244466197 and 244466206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381659 + ... + 382298.

Almost surely, 2244466240 is an apocalyptic number.

244466240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244466240 is an abundant number, since it is smaller than the sum of its proper divisors (337669756).

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

244466240 is an equidigital number, since it uses as much as digits as its factorization.

244466240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763974 (or 763964 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 244466240 is about 15635.4162080835. The cubic root of 244466240 is about 625.2777346966.

The spelling of 244466240 in words is "two hundred forty-four million, four hundred sixty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 763957 1527914 3055828 3819785 6111656 7639570 12223312 15279140 24446624 30558280 48893248 61116560 122233120 244466240