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487028 = 22313389
BaseRepresentation
bin1110110111001110100
3220202002002
41312321310
5111041103
614234432
74065623
oct1667164
9822062
10487028
11302a03
121b5a18
131408a9
14c96ba
1599488
hex76e74

487028 has 12 divisors (see below), whose sum is σ = 857220. Its totient is φ = 242112.

The previous prime is 487021. The next prime is 487049. The reversal of 487028 is 820784.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 446224 = 202^2 + 668^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 487028.

It is not an unprimeable number, because it can be changed into a prime (487021) by changing a digit.

487028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058 + ... + 1446.

It is an arithmetic number, because the mean of its divisors is an integer number (71435).

2487028 is an apocalyptic number.

It is an amenable number.

487028 is a deficient number, since it is larger than the sum of its proper divisors (370192).

487028 is a wasteful number, since it uses less digits than its factorization.

487028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 487028 is about 697.8739141134. The cubic root of 487028 is about 78.6776373988.

The spelling of 487028 in words is "four hundred eighty-seven thousand, twenty-eight".

Divisors: 1 2 4 313 389 626 778 1252 1556 121757 243514 487028