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5218887 = 33747017
BaseRepresentation
bin10011111010001001000111
3100211010222010
4103322021013
52314001022
6303505303
762234262
oct23721107
910733863
105218887
112a45033
1218b8233
1311095cb
1499bcd9
156d150c
hex4fa247

5218887 has 8 divisors (see below), whose sum is σ = 7146736. Its totient is φ = 3385152.

The previous prime is 5218883. The next prime is 5218919. The reversal of 5218887 is 7888125.

5218887 is nontrivially palindromic in base 6.

5218887 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5218887 - 22 = 5218883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218883) 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, 23398 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (893342).

Almost surely, 25218887 is an apocalyptic number.

5218887 is a deficient number, since it is larger than the sum of its proper divisors (1927849).

5218887 is a wasteful number, since it uses less digits than its factorization.

5218887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47057.

The product of its digits is 35840, while the sum is 39.

The square root of 5218887 is about 2284.4883453412. The cubic root of 5218887 is about 173.4573196569.

It can be divided in two parts, 5218 and 887, that added together give a triangular number (6105 = T110).

The spelling of 5218887 in words is "five million, two hundred eighteen thousand, eight hundred eighty-seven".

Divisors: 1 3 37 111 47017 141051 1739629 5218887