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490743 = 32114957
BaseRepresentation
bin1110111110011110111
3220221011200
41313303313
5111200433
614303543
74112511
oct1676367
9827150
10490743
11305780
121b7bb3
131424a6
14cabb1
159a613
hex77cf7

490743 has 12 divisors (see below), whose sum is σ = 773448. Its totient is φ = 297360.

The previous prime is 490741. The next prime is 490769. The reversal of 490743 is 347094.

It is not a de Polignac number, because 490743 - 21 = 490741 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490743.

It is not an unprimeable number, because it can be changed into a prime (490741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (64454).

2490743 is an apocalyptic number.

490743 is a deficient number, since it is larger than the sum of its proper divisors (282705).

490743 is a wasteful number, since it uses less digits than its factorization.

490743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974 (or 4971 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 490743 is about 700.5305132541. The cubic root of 490743 is about 78.8771792299.

It can be divided in two parts, 4907 and 43, that added together give a triangular number (4950 = T99).

The spelling of 490743 in words is "four hundred ninety thousand, seven hundred forty-three".

Divisors: 1 3 9 11 33 99 4957 14871 44613 54527 163581 490743