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516906943 = 7671102147
BaseRepresentation
bin11110110011110…
…101111110111111
31100000122121000121
4132303311332333
52024312010233
6123143035411
715544431220
oct3663657677
91300577017
10516906943
11245864923
1212513bb67
13831246c7
144c917247
15305a792d
hex1ecf5fbf

516906943 has 8 divisors (see below), whose sum is σ = 599568512. Its totient is φ = 436449816.

The previous prime is 516906931. The next prime is 516906953. The reversal of 516906943 is 349609615.

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 516906943 - 217 = 516775871 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 516906943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516906953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550605 + ... + 551542.

It is an arithmetic number, because the mean of its divisors is an integer number (74946064).

Almost surely, 2516906943 is an apocalyptic number.

516906943 is a deficient number, since it is larger than the sum of its proper divisors (82661569).

516906943 is a wasteful number, since it uses less digits than its factorization.

516906943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102221.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 516906943 is about 22735.5875886241. The cubic root of 516906943 is about 802.5475781744.

The spelling of 516906943 in words is "five hundred sixteen million, nine hundred six thousand, nine hundred forty-three".

Divisors: 1 7 67 469 1102147 7715029 73843849 516906943