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505063 = 1338851
BaseRepresentation
bin1111011010011100111
3221122211001
41323103213
5112130223
614454131
74202326
oct1732347
9848731
10505063
11315509
12204347
13148b70
14d20bd
159e9ad
hex7b4e7

505063 has 4 divisors (see below), whose sum is σ = 543928. Its totient is φ = 466200.

The previous prime is 505061. The next prime is 505067. The reversal of 505063 is 360505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360505 = 572101.

It is a cyclic number.

It is not a de Polignac number, because 505063 - 21 = 505061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19413 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (135982).

2505063 is an apocalyptic number.

505063 is a deficient number, since it is larger than the sum of its proper divisors (38865).

505063 is a wasteful number, since it uses less digits than its factorization.

505063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38864.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 505063 is about 710.6778454405. The cubic root of 505063 is about 79.6370537824.

Adding to 505063 its reverse (360505), we get a palindrome (865568).

The spelling of 505063 in words is "five hundred five thousand, sixty-three".

Divisors: 1 13 38851 505063