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5221215 = 325116027
BaseRepresentation
bin10011111010101101011111
3100211021011100
4103322231133
52314034330
6303524143
762244126
oct23725537
910737140
105221215
112a4685a
1218b9653
13110a69c
1499cabd
156d2060
hex4fab5f

5221215 has 12 divisors (see below), whose sum is σ = 9050184. Its totient is φ = 2784624.

The previous prime is 5221211. The next prime is 5221217. The reversal of 5221215 is 5121225.

It is not a de Polignac number, because 5221215 - 22 = 5221211 is a prime.

It is a super-2 number, since 2×52212152 = 54522172152450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221211) 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, 57969 + ... + 58058.

It is an arithmetic number, because the mean of its divisors is an integer number (754182).

Almost surely, 25221215 is an apocalyptic number.

5221215 is a deficient number, since it is larger than the sum of its proper divisors (3828969).

5221215 is a wasteful number, since it uses less digits than its factorization.

5221215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116038 (or 116035 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 5221215 is about 2284.9978118151. The cubic root of 5221215 is about 173.4831073145.

The spelling of 5221215 in words is "five million, two hundred twenty-one thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 45 116027 348081 580135 1044243 1740405 5221215