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516913 = 73297
BaseRepresentation
bin1111110001100110001
3222021001221
41332030301
5113020123
615025041
74252015
oct1761461
9867057
10516913
11323401
1220b181
13151387
14d6545
15a325d
hex7e331

516913 has 6 divisors (see below), whose sum is σ = 529494. Its totient is φ = 504576.

The previous prime is 516911. The next prime is 516931. The reversal of 516913 is 319615.

It can be written as a sum of positive squares in 3 ways, for example, as 91809 + 425104 = 303^2 + 652^2 .

It is not a de Polignac number, because 516913 - 21 = 516911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516911) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5281 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (88249).

2516913 is an apocalyptic number.

It is an amenable number.

516913 is a deficient number, since it is larger than the sum of its proper divisors (12581).

516913 is an frugal number, since it uses more digits than its factorization.

516913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 170 counting only the distinct ones).

The product of its digits is 810, while the sum is 25.

The square root of 516913 is about 718.9666195311. The cubic root of 516913 is about 80.2550712853.

The spelling of 516913 in words is "five hundred sixteen thousand, nine hundred thirteen".

Divisors: 1 73 97 5329 7081 516913