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487229 = 2953317
BaseRepresentation
bin1110110111100111101
3220202100112
41312330331
5111042404
614235405
74066331
oct1667475
9822315
10487229
11303076
121b5b65
13140a02
14c97c1
159956e
hex76f3d

487229 has 8 divisors (see below), whose sum is σ = 515160. Its totient is φ = 460096.

The previous prime is 487219. The next prime is 487247. The reversal of 487229 is 922784.

487229 = 82 + 92 + ... + 1132.

It can be written as a sum of positive squares in 4 ways, for example, as 28900 + 458329 = 170^2 + 677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487229 - 24 = 487213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 487195 and 487204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (64395).

2487229 is an apocalyptic number.

It is an amenable number.

487229 is a deficient number, since it is larger than the sum of its proper divisors (27931).

487229 is a wasteful number, since it uses less digits than its factorization.

487229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its digits is 8064, while the sum is 32.

The square root of 487229 is about 698.0179080797. The cubic root of 487229 is about 78.6884595213.

The spelling of 487229 in words is "four hundred eighty-seven thousand, two hundred twenty-nine".

Divisors: 1 29 53 317 1537 9193 16801 487229