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244443340 = 225175631277
BaseRepresentation
bin11101001000111…
…10100011001100
3122000222000020001
432210132203030
51000034141330
640131134044
76025506541
oct1644364314
9560860201
10244443340
11115a88999
1269a44324
133b84843b
1424670bc8
15166d79ca
hexe91e8cc

244443340 has 48 divisors (see below), whose sum is σ = 544918752. Its totient is φ = 91790336.

The previous prime is 244443337. The next prime is 244443371. The reversal of 244443340 is 43344442.

244443340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 244443299 and 244443308.

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, 190782 + ... + 192058.

It is an arithmetic number, because the mean of its divisors is an integer number (11352474).

Almost surely, 2244443340 is an apocalyptic number.

244443340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244443340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272459376).

244443340 is an abundant number, since it is smaller than the sum of its proper divisors (300475412).

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

244443340 is a wasteful number, since it uses less digits than its factorization.

244443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 244443340 is about 15634.6838791195. The cubic root of 244443340 is about 625.2582101094.

Adding to 244443340 its reverse (43344442), we get a palindrome (287787782).

The spelling of 244443340 in words is "two hundred forty-four million, four hundred forty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 563 1126 1277 2252 2554 2815 5108 5630 6385 9571 11260 12770 19142 21709 25540 38284 43418 47855 86836 95710 108545 191420 217090 434180 718951 1437902 2875804 3594755 7189510 12222167 14379020 24444334 48888668 61110835 122221670 244443340