Search a number
-
+
485519521 = 1925553659
BaseRepresentation
bin11100111100000…
…111000010100001
31020211120221120111
4130330013002201
51443243111041
6120102211321
715013563544
oct3474070241
91224527514
10485519521
1122a077003
12116723b41
1379785076
14486a685b
152c957981
hex1cf070a1

485519521 has 4 divisors (see below), whose sum is σ = 511073200. Its totient is φ = 459965844.

The previous prime is 485519519. The next prime is 485519527. The reversal of 485519521 is 125915584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 485519521 - 21 = 485519519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485519527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12776811 + ... + 12776848.

It is an arithmetic number, because the mean of its divisors is an integer number (127768300).

Almost surely, 2485519521 is an apocalyptic number.

It is an amenable number.

485519521 is a deficient number, since it is larger than the sum of its proper divisors (25553679).

485519521 is a wasteful number, since it uses less digits than its factorization.

485519521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25553678.

The product of its digits is 72000, while the sum is 40.

The square root of 485519521 is about 22034.5075052745. The cubic root of 485519521 is about 785.9632358756.

The spelling of 485519521 in words is "four hundred eighty-five million, five hundred nineteen thousand, five hundred twenty-one".

Divisors: 1 19 25553659 485519521