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490943 = 1728879
BaseRepresentation
bin1110111110110111111
3220221110002
41313312333
5111202233
614304515
74113215
oct1676677
9827402
10490943
11305942
121b813b
131425cb
14cacb5
159a6e8
hex77dbf

490943 has 4 divisors (see below), whose sum is σ = 519840. Its totient is φ = 462048.

The previous prime is 490937. The next prime is 490949. The reversal of 490943 is 349094.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (490937) and next prime (490949).

It is a cyclic number.

It is not a de Polignac number, because 490943 - 24 = 490927 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14423 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (129960).

2490943 is an apocalyptic number.

490943 is a deficient number, since it is larger than the sum of its proper divisors (28897).

490943 is a wasteful number, since it uses less digits than its factorization.

490943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28896.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 490943 is about 700.6732476697. The cubic root of 490943 is about 78.8878931156.

The spelling of 490943 in words is "four hundred ninety thousand, nine hundred forty-three".

Divisors: 1 17 28879 490943