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5218199 = 731139173
BaseRepresentation
bin10011111001111110010111
3100211010000122
4103321332113
52313440244
6303502155
762232260
oct23717627
910733018
105218199
112a44568
1218b795b
1311091bc
1499b967
156d11ee
hex4f9f97

5218199 has 16 divisors (see below), whose sum is σ = 6236160. Its totient is φ = 4272480.

The previous prime is 5218189. The next prime is 5218207. The reversal of 5218199 is 9918125.

It is a cyclic number.

It is not a de Polignac number, because 5218199 - 28 = 5217943 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30077 + ... + 30249.

It is an arithmetic number, because the mean of its divisors is an integer number (389760).

Almost surely, 25218199 is an apocalyptic number.

5218199 is a deficient number, since it is larger than the sum of its proper divisors (1017961).

5218199 is a wasteful number, since it uses less digits than its factorization.

5218199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its digits is 6480, while the sum is 35.

The square root of 5218199 is about 2284.3377596144. The cubic root of 5218199 is about 173.4496970942.

The spelling of 5218199 in words is "five million, two hundred eighteen thousand, one hundred ninety-nine".

Divisors: 1 7 31 139 173 217 973 1211 4309 5363 24047 30163 37541 168329 745457 5218199