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5000221 = 27118451
BaseRepresentation
bin10011000100110000011101
3100102001000101
4103010300131
52240001341
6255101101
760333622
oct23046035
910361011
105000221
112905816
121811791
131060c15
14942349
1568b831
hex4c4c1d

5000221 has 4 divisors (see below), whose sum is σ = 5018944. Its totient is φ = 4981500.

The previous prime is 5000213. The next prime is 5000251. The reversal of 5000221 is 1220005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5000221 - 23 = 5000213 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5000198 and 5000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000201) 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, 8955 + ... + 9496.

It is an arithmetic number, because the mean of its divisors is an integer number (1254736).

Almost surely, 25000221 is an apocalyptic number.

It is an amenable number.

5000221 is a deficient number, since it is larger than the sum of its proper divisors (18723).

5000221 is a wasteful number, since it uses less digits than its factorization.

5000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18722.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 5000221 is about 2236.1173940560. The cubic root of 5000221 is about 171.0001139951. Note that the first 3 decimals are identical.

Subtracting from 5000221 its sum of digits (10), we obtain a cube (5000211 = 1713).

Adding to 5000221 its reverse (1220005), we get a palindrome (6220226).

The spelling of 5000221 in words is "five million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 271 18451 5000221