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5228987 = 31168677
BaseRepresentation
bin10011111100100110111011
3100211122211012
4103330212323
52314311422
6304024135
762305601
oct23744673
910748735
105228987
112a51685
12190204b
13111109a
149a1871
156d44e2
hex4fc9bb

5228987 has 4 divisors (see below), whose sum is σ = 5397696. Its totient is φ = 5060280.

The previous prime is 5228969. The next prime is 5229011. The reversal of 5228987 is 7898225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5228987 - 28 = 5228731 is a prime.

It is a d-powerful number, because it can be written as 54 + 215 + 218 + 82 + 97 + 85 + 76 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5228687) 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, 84308 + ... + 84369.

It is an arithmetic number, because the mean of its divisors is an integer number (1349424).

Almost surely, 25228987 is an apocalyptic number.

5228987 is a deficient number, since it is larger than the sum of its proper divisors (168709).

5228987 is a wasteful number, since it uses less digits than its factorization.

5228987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168708.

The product of its digits is 80640, while the sum is 41.

The square root of 5228987 is about 2286.6978374941. The cubic root of 5228987 is about 173.5691436270.

The spelling of 5228987 in words is "five million, two hundred twenty-eight thousand, nine hundred eighty-seven".

Divisors: 1 31 168677 5228987