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487513 = 1337501
BaseRepresentation
bin1110111000001011001
3220202202001
41313001121
5111100023
614241001
74100215
oct1670131
9822661
10487513
11303304
121b6161
13140b90
14c9945
15996ad
hex77059

487513 has 4 divisors (see below), whose sum is σ = 525028. Its totient is φ = 450000.

The previous prime is 487507. The next prime is 487561. The reversal of 487513 is 315784.

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 123904 + 363609 = 352^2 + 603^2 .

It is a cyclic number.

It is not a de Polignac number, because 487513 - 25 = 487481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487013) 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, 18738 + ... + 18763.

It is an arithmetic number, because the mean of its divisors is an integer number (131257).

2487513 is an apocalyptic number.

It is an amenable number.

487513 is a deficient number, since it is larger than the sum of its proper divisors (37515).

487513 is a wasteful number, since it uses less digits than its factorization.

487513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37514.

The product of its digits is 3360, while the sum is 28.

The square root of 487513 is about 698.2213116197. The cubic root of 487513 is about 78.7037454080.

It can be divided in two parts, 487 and 513, that added together give a cube (1000 = 103).

The spelling of 487513 in words is "four hundred eighty-seven thousand, five hundred thirteen".

Divisors: 1 13 37501 487513