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487493 = 3531381
BaseRepresentation
bin1110111000001000101
3220202201022
41313001011
5111044433
614240525
74100156
oct1670105
9822638
10487493
11303296
121b6145
13140b76
14c992d
1599698
hex77045

487493 has 4 divisors (see below), whose sum is σ = 489228. Its totient is φ = 485760.

The previous prime is 487489. The next prime is 487507. The reversal of 487493 is 394784.

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 209764 + 277729 = 458^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 487493 - 22 = 487489 is a prime.

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 487493.

It is not an unprimeable number, because it can be changed into a prime (487423) 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, 338 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (122307).

2487493 is an apocalyptic number.

It is an amenable number.

487493 is a deficient number, since it is larger than the sum of its proper divisors (1735).

487493 is a wasteful number, since it uses less digits than its factorization.

487493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its digits is 24192, while the sum is 35.

The square root of 487493 is about 698.2069893663. The cubic root of 487493 is about 78.7026691314.

The spelling of 487493 in words is "four hundred eighty-seven thousand, four hundred ninety-three".

Divisors: 1 353 1381 487493