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5215115 = 51043023
BaseRepresentation
bin10011111001001110001011
3100210221210102
4103321032023
52313340430
6303440015
762220263
oct23711613
910727712
105215115
112a42214
1218b600b
131107989
1499a7a3
156d0345
hex4f938b

5215115 has 4 divisors (see below), whose sum is σ = 6258144. Its totient is φ = 4172088.

The previous prime is 5215097. The next prime is 5215121. The reversal of 5215115 is 5115125.

It is a happy number.

5215115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5215115 - 26 = 5215051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521507 + ... + 521516.

It is an arithmetic number, because the mean of its divisors is an integer number (1564536).

Almost surely, 25215115 is an apocalyptic number.

5215115 is a deficient number, since it is larger than the sum of its proper divisors (1043029).

5215115 is a wasteful number, since it uses less digits than its factorization.

5215115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043028.

The product of its digits is 250, while the sum is 20.

The square root of 5215115 is about 2283.6626283232. The cubic root of 5215115 is about 173.4155202782.

The spelling of 5215115 in words is "five million, two hundred fifteen thousand, one hundred fifteen".

Divisors: 1 5 1043023 5215115