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5288821 = 192511109
BaseRepresentation
bin10100001011001101110101
3100221200220021
4110023031311
52323220241
6305205141
762645206
oct24131565
910850807
105288821
112a9262a
1219307b1
1311323a5
149b95ad
156e70d1
hex50b375

5288821 has 8 divisors (see below), whose sum is σ = 5594400. Its totient is φ = 4986000.

The previous prime is 5288807. The next prime is 5288851. The reversal of 5288821 is 1288825.

It is a happy number.

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 5288821 - 211 = 5286773 is a prime.

It is an Ulam number.

It is a Duffinian number.

5288821 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5288851) 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, 4215 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (699300).

Almost surely, 25288821 is an apocalyptic number.

It is an amenable number.

5288821 is a deficient number, since it is larger than the sum of its proper divisors (305579).

5288821 is a wasteful number, since it uses less digits than its factorization.

5288821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379.

The product of its digits is 10240, while the sum is 34.

The square root of 5288821 is about 2299.7436813697. The cubic root of 5288821 is about 174.2286705921.

The spelling of 5288821 in words is "five million, two hundred eighty-eight thousand, eight hundred twenty-one".

Divisors: 1 19 251 1109 4769 21071 278359 5288821