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514286681 = 1382937189
BaseRepresentation
bin11110101001110…
…110010001011001
31022211201110200212
4132221312101121
52023124133211
6123010540505
715513236036
oct3651662131
91284643625
10514286681
11244335217
12124297735
1382717b5c
144c43438d
153023b38b
hex1ea76459

514286681 has 4 divisors (see below), whose sum is σ = 514337700. Its totient is φ = 514235664.

The previous prime is 514286677. The next prime is 514286711. The reversal of 514286681 is 186682415.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 271425625 + 242861056 = 16475^2 + 15584^2 .

It is a cyclic number.

It is not a de Polignac number, because 514286681 - 22 = 514286677 is a prime.

It is a super-2 number, since 2×5142866812 = 528981580507991522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514286651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4766 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (128584425).

Almost surely, 2514286681 is an apocalyptic number.

It is an amenable number.

514286681 is a deficient number, since it is larger than the sum of its proper divisors (51019).

514286681 is a wasteful number, since it uses less digits than its factorization.

514286681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51018.

The product of its digits is 92160, while the sum is 41.

The square root of 514286681 is about 22677.8896945902. The cubic root of 514286681 is about 801.1892110330.

The spelling of 514286681 in words is "five hundred fourteen million, two hundred eighty-six thousand, six hundred eighty-one".

Divisors: 1 13829 37189 514286681