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485143 = 716833
BaseRepresentation
bin1110110011100010111
3220122111021
41312130113
5111011033
614222011
74060261
oct1663427
9818437
10485143
1130154a
121b4907
1313ca89
14c8b31
1598b2d
hex76717

485143 has 4 divisors (see below), whose sum is σ = 492048. Its totient is φ = 478240.

The previous prime is 485137. The next prime is 485161. The reversal of 485143 is 341584.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-485143 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 (485113) 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, 3346 + ... + 3487.

It is an arithmetic number, because the mean of its divisors is an integer number (123012).

2485143 is an apocalyptic number.

485143 is a deficient number, since it is larger than the sum of its proper divisors (6905).

485143 is an equidigital number, since it uses as much as digits as its factorization.

485143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904.

The product of its digits is 1920, while the sum is 25.

The square root of 485143 is about 696.5220743092. The cubic root of 485143 is about 78.5760011507.

The spelling of 485143 in words is "four hundred eighty-five thousand, one hundred forty-three".

Divisors: 1 71 6833 485143