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244313220 = 223537110051
BaseRepresentation
bin11101000111111…
…10110010000100
3122000201101201210
432203332302010
51000021010340
640124251420
76024425304
oct1643766204
9560641653
10244313220
111159aa158
12699a0b70
133b801148
1424639604
15166ae180
hexe8fec84

244313220 has 48 divisors (see below), whose sum is σ = 702571968. Its totient is φ = 63388800.

The previous prime is 244313213. The next prime is 244313231. The reversal of 244313220 is 22313442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52806 + ... + 57245.

It is an arithmetic number, because the mean of its divisors is an integer number (14636916).

Almost surely, 2244313220 is an apocalyptic number.

244313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244313220 is an abundant number, since it is smaller than the sum of its proper divisors (458258748).

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

244313220 is a wasteful number, since it uses less digits than its factorization.

244313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110100 (or 110098 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 244313220 is about 15630.5220642178. The cubic root of 244313220 is about 625.1472463736.

Adding to 244313220 its reverse (22313442), we get a palindrome (266626662).

The spelling of 244313220 in words is "two hundred forty-four million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 110051 220102 330153 440204 550255 660306 1100510 1320612 1650765 2201020 3301530 4071887 6603060 8143774 12215661 16287548 20359435 24431322 40718870 48862644 61078305 81437740 122156610 244313220