Search a number
-
+
485550821 = 7174080259
BaseRepresentation
bin11100111100001…
…110101011100101
31020211122112111202
4130330032223211
51443300111241
6120103012245
715014054030
oct3474165345
91224575452
10485550821
1122a098578
1211673a085
13797963a2
14486b4017
152c961d9b
hex1cf0eae5

485550821 has 8 divisors (see below), whose sum is σ = 587557440. Its totient is φ = 391704768.

The previous prime is 485550739. The next prime is 485550829. The reversal of 485550821 is 128055584.

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

It is not a de Polignac number, because 485550821 - 214 = 485534437 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 (485550829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040011 + ... + 2040248.

It is an arithmetic number, because the mean of its divisors is an integer number (73444680).

Almost surely, 2485550821 is an apocalyptic number.

It is an amenable number.

485550821 is a deficient number, since it is larger than the sum of its proper divisors (102006619).

485550821 is a wasteful number, since it uses less digits than its factorization.

485550821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080283.

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 485550821 is about 22035.2177434216. The cubic root of 485550821 is about 785.9801250837.

The spelling of 485550821 in words is "four hundred eighty-five million, five hundred fifty thousand, eight hundred twenty-one".

Divisors: 1 7 17 119 4080259 28561813 69364403 485550821