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5220819 = 321734123
BaseRepresentation
bin10011111010100111010011
3100211020121200
4103322213103
52314031234
6303522243
762243022
oct23724723
910736550
105220819
112a4652a
1218b9383
13110a456
1499c8b9
156d1d99
hex4fa9d3

5220819 has 12 divisors (see below), whose sum is σ = 7985016. Its totient is φ = 3275712.

The previous prime is 5220799. The next prime is 5220823. The reversal of 5220819 is 9180225.

It is not a de Polignac number, because 5220819 - 220 = 4172243 is a prime.

It is a super-2 number, since 2×52208192 = 54513902061522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5220792 and 5220801.

It is not an unprimeable number, because it can be changed into a prime (5220869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16909 + ... + 17214.

It is an arithmetic number, because the mean of its divisors is an integer number (665418).

Almost surely, 25220819 is an apocalyptic number.

5220819 is a deficient number, since it is larger than the sum of its proper divisors (2764197).

5220819 is a wasteful number, since it uses less digits than its factorization.

5220819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34146 (or 34143 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5220819 is about 2284.9111580103. The cubic root of 5220819 is about 173.4787212953.

The spelling of 5220819 in words is "five million, two hundred twenty thousand, eight hundred nineteen".

Divisors: 1 3 9 17 51 153 34123 102369 307107 580091 1740273 5220819