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492089 = 1337853
BaseRepresentation
bin1111000001000111001
3221000000112
41320020321
5111221324
614314105
74116443
oct1701071
9830015
10492089
11306794
121b8935
13142ca0
14cb493
159ac0e
hex78239

492089 has 4 divisors (see below), whose sum is σ = 529956. Its totient is φ = 454224.

The previous prime is 492083. The next prime is 492103. The reversal of 492089 is 980294.

492089 is nontrivially palindromic in base 8.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25600 + 466489 = 160^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 492089 - 28 = 491833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492083) 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, 18914 + ... + 18939.

It is an arithmetic number, because the mean of its divisors is an integer number (132489).

2492089 is an apocalyptic number.

It is an amenable number.

492089 is a deficient number, since it is larger than the sum of its proper divisors (37867).

492089 is a wasteful number, since it uses less digits than its factorization.

492089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37866.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 492089 is about 701.4905558880. The cubic root of 492089 is about 78.9492276443.

The spelling of 492089 in words is "four hundred ninety-two thousand, eighty-nine".

Divisors: 1 13 37853 492089