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486149 = 1728597
BaseRepresentation
bin1110110101100000101
3220200212112
41312230011
5111024044
614230405
74063226
oct1665405
9820775
10486149
11302284
121b5405
13140381
14c924d
159909e
hex76b05

486149 has 4 divisors (see below), whose sum is σ = 514764. Its totient is φ = 457536.

The previous prime is 486139. The next prime is 486163. The reversal of 486149 is 941684.

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 448900 + 37249 = 670^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 486149 - 24 = 486133 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 486149.

It is not an unprimeable number, because it can be changed into a prime (486119) 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, 14282 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (128691).

2486149 is an apocalyptic number.

It is an amenable number.

486149 is a deficient number, since it is larger than the sum of its proper divisors (28615).

486149 is a wasteful number, since it uses less digits than its factorization.

486149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28614.

The product of its digits is 6912, while the sum is 32.

The square root of 486149 is about 697.2438597793. The cubic root of 486149 is about 78.6302757886.

Subtracting 486149 from its reverse (941684), we obtain a triangular number (455535 = T954).

The spelling of 486149 in words is "four hundred eighty-six thousand, one hundred forty-nine".

Divisors: 1 17 28597 486149