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5216105 = 51043221
BaseRepresentation
bin10011111001011101101001
3100211000011002
4103321131221
52313403410
6303444345
762223206
oct23713551
910730132
105216105
112a42a34
1218b66b5
13110826b
1499acad
156d07a5
hex4f9769

5216105 has 4 divisors (see below), whose sum is σ = 6259332. Its totient is φ = 4172880.

The previous prime is 5216083. The next prime is 5216111. The reversal of 5216105 is 5016125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3671056 + 1545049 = 1916^2 + 1243^2 .

It is not a de Polignac number, because 5216105 - 28 = 5215849 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521606 + ... + 521615.

It is an arithmetic number, because the mean of its divisors is an integer number (1564833).

Almost surely, 25216105 is an apocalyptic number.

It is an amenable number.

5216105 is a deficient number, since it is larger than the sum of its proper divisors (1043227).

5216105 is a wasteful number, since it uses less digits than its factorization.

5216105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043226.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 5216105 is about 2283.8793750984. The cubic root of 5216105 is about 173.4264929032.

Adding to 5216105 its sum of digits (20), we get a palindrome (5216125).

The spelling of 5216105 in words is "five million, two hundred sixteen thousand, one hundred five".

Divisors: 1 5 1043221 5216105