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490281276 = 2231072711409
BaseRepresentation
bin11101001110010…
…001100100111100
31021011112212110210
4131032101210330
52001003000101
6120352232420
715102215322
oct3516214474
91234485423
10490281276
11231829641
1211823b710
137a761584
1449185d12
152d0987d6
hex1d39193c

490281276 has 48 divisors (see below), whose sum is σ = 1159764480. Its totient is φ = 161187840.

The previous prime is 490281247. The next prime is 490281287. The reversal of 490281276 is 672182094.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 347260 + ... + 348668.

It is an arithmetic number, because the mean of its divisors is an integer number (24161760).

Almost surely, 2490281276 is an apocalyptic number.

It is an amenable number.

490281276 is an abundant number, since it is smaller than the sum of its proper divisors (669483204).

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

490281276 is a wasteful number, since it uses less digits than its factorization.

490281276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 490281276 is about 22142.2960869012. The cubic root of 490281276 is about 788.5243381690.

The spelling of 490281276 in words is "four hundred ninety million, two hundred eighty-one thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 107 214 271 321 428 542 642 813 1084 1284 1409 1626 2818 3252 4227 5636 8454 16908 28997 57994 86991 115988 150763 173982 301526 347964 381839 452289 603052 763678 904578 1145517 1527356 1809156 2291034 4582068 40856773 81713546 122570319 163427092 245140638 490281276