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520463 = 29131137
BaseRepresentation
bin1111111000100001111
3222102221102
41333010033
5113123323
615053315
74265246
oct1770417
9872842
10520463
11326039
1221123b
13152b88
14d795d
15a4328
hex7f10f

520463 has 8 divisors (see below), whose sum is σ = 546480. Its totient is φ = 495040.

The previous prime is 520451. The next prime is 520529. The reversal of 520463 is 364025.

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 520463 - 24 = 520447 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 520463.

It is not an unprimeable number, because it can be changed into a prime (520423) 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, 3731 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (68310).

2520463 is an apocalyptic number.

520463 is a deficient number, since it is larger than the sum of its proper divisors (26017).

520463 is a wasteful number, since it uses less digits than its factorization.

520463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 520463 is about 721.4312164025. The cubic root of 520463 is about 80.4383747075.

Adding to 520463 its reverse (364025), we get a palindrome (884488).

The spelling of 520463 in words is "five hundred twenty thousand, four hundred sixty-three".

Divisors: 1 29 131 137 3799 3973 17947 520463