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516071268 = 223214335313
BaseRepresentation
bin11110110000101…
…001111101100100
31022222002010200200
4132300221331210
52024103240033
6123113110500
715534350646
oct3660517544
91288063620
10516071268
11245343a89
121249b8430
1382bc121b
144c77a896
1530490013
hex1ec29f64

516071268 has 18 divisors (see below), whose sum is σ = 1304513574. Its totient is φ = 172023744.

The previous prime is 516071267. The next prime is 516071321. The reversal of 516071268 is 862170615.

It can be written as a sum of positive squares in only one way, i.e., 330076224 + 185995044 = 18168^2 + 13638^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14335313 = 516071268 / (5 + 1 + 6 + 0 + 7 + 1 + 2 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (516071267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7167621 + ... + 7167692.

Almost surely, 2516071268 is an apocalyptic number.

It is an amenable number.

516071268 is an abundant number, since it is smaller than the sum of its proper divisors (788442306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516071268 is a wasteful number, since it uses less digits than its factorization.

516071268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335323 (or 14335318 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 516071268 is about 22717.2020284189. The cubic root of 516071268 is about 802.1148563849.

The spelling of 516071268 in words is "five hundred sixteen million, seventy-one thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 14335313 28670626 43005939 57341252 86011878 129017817 172023756 258035634 516071268