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5220047 = 72512971
BaseRepresentation
bin10011111010011011001111
3100211012120002
4103322123033
52314020142
6303514515
762240540
oct23723317
910735502
105220047
112a45998
1218b8a3b
131109cb1
1499c4c7
156d1a32
hex4fa6cf

5220047 has 8 divisors (see below), whose sum is σ = 5991552. Its totient is φ = 4455000.

The previous prime is 5220043. The next prime is 5220049. The reversal of 5220047 is 7400225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5220047 - 22 = 5220043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 3242.

It is an arithmetic number, because the mean of its divisors is an integer number (748944).

Almost surely, 25220047 is an apocalyptic number.

5220047 is a deficient number, since it is larger than the sum of its proper divisors (771505).

5220047 is a wasteful number, since it uses less digits than its factorization.

5220047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 5220047 is about 2284.7422174066. The cubic root of 5220047 is about 173.4701701354.

The spelling of 5220047 in words is "five million, two hundred twenty thousand, forty-seven".

Divisors: 1 7 251 1757 2971 20797 745721 5220047