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490597 = 1373581
BaseRepresentation
bin1110111110001100101
3220220222021
41313301211
5111144342
614303141
74112212
oct1676145
9826867
10490597
11305658
121b7ab1
131423c3
14cab09
159a567
hex77c65

490597 has 4 divisors (see below), whose sum is σ = 494316. Its totient is φ = 486880.

The previous prime is 490591. The next prime is 490619. The reversal of 490597 is 795094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 795094 = 2397547.

It can be written as a sum of positive squares in 2 ways, for example, as 370881 + 119716 = 609^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 490597 - 215 = 457829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490591) 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, 1654 + ... + 1927.

It is an arithmetic number, because the mean of its divisors is an integer number (123579).

2490597 is an apocalyptic number.

It is an amenable number.

490597 is a deficient number, since it is larger than the sum of its proper divisors (3719).

490597 is a wasteful number, since it uses less digits than its factorization.

490597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 490597 is about 700.4262987638. The cubic root of 490597 is about 78.8693562551.

It can be divided in two parts, 4 and 90597, that added together give a square (90601 = 3012).

The spelling of 490597 in words is "four hundred ninety thousand, five hundred ninety-seven".

Divisors: 1 137 3581 490597