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517012 = 22294457
BaseRepresentation
bin1111110001110010100
3222021012121
41332032110
5113021022
615025324
74252216
oct1761624
9867177
10517012
11323491
1220b244
13151432
14d65b6
15a32c7
hex7e394

517012 has 12 divisors (see below), whose sum is σ = 936180. Its totient is φ = 249536.

The previous prime is 517003. The next prime is 517043. The reversal of 517012 is 210715.

It can be written as a sum of positive squares in 2 ways, for example, as 318096 + 198916 = 564^2 + 446^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

517012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113 + ... + 2344.

It is an arithmetic number, because the mean of its divisors is an integer number (78015).

2517012 is an apocalyptic number.

It is an amenable number.

517012 is a deficient number, since it is larger than the sum of its proper divisors (419168).

517012 is a wasteful number, since it uses less digits than its factorization.

517012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 517012 is about 719.0354650502. The cubic root of 517012 is about 80.2601944846.

Adding to 517012 its reverse (210715), we get a palindrome (727727).

The spelling of 517012 in words is "five hundred seventeen thousand, twelve".

Divisors: 1 2 4 29 58 116 4457 8914 17828 129253 258506 517012