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5054215 = 51010843
BaseRepresentation
bin10011010001111100000111
3100111210002011
4103101330013
52243213330
6300155051
760650215
oct23217407
910453064
105054215
112942341
121838a87
13107c67a
14957cb5
1569c82a
hex4d1f07

5054215 has 4 divisors (see below), whose sum is σ = 6065064. Its totient is φ = 4043368.

The previous prime is 5054213. The next prime is 5054233. The reversal of 5054215 is 5124505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5124505 = 51024901.

It is a cyclic number.

It is not a de Polignac number, because 5054215 - 21 = 5054213 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5054213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505417 + ... + 505426.

It is an arithmetic number, because the mean of its divisors is an integer number (1516266).

Almost surely, 25054215 is an apocalyptic number.

5054215 is a deficient number, since it is larger than the sum of its proper divisors (1010849).

5054215 is a wasteful number, since it uses less digits than its factorization.

5054215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010848.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5054215 is about 2248.1581350074. The cubic root of 5054215 is about 171.6134165228.

The spelling of 5054215 in words is "five million, fifty-four thousand, two hundred fifteen".

Divisors: 1 5 1010843 5054215