Search a number
-
+
480718081 = 7918133619
BaseRepresentation
bin11100101001110…
…010110100000001
31020111120000020101
4130221302310001
51441030434311
6115411242401
714625015304
oct3451626401
91214500211
10480718081
11227397678
12114ba9401
137879378c
1447bb6b3b
152c309ec1
hex1ca72d01

480718081 has 8 divisors (see below), whose sum is σ = 489507200. Its totient is φ = 471996720.

The previous prime is 480718079. The next prime is 480718087. The reversal of 480718081 is 180817084.

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 480718081 - 21 = 480718079 is a prime.

It is a super-3 number, since 3×4807180813 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 480718081.

It is not an unprimeable number, because it can be changed into a prime (480718087) 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 7 ways as a sum of consecutive naturals, for example, 2511 + ... + 31108.

It is an arithmetic number, because the mean of its divisors is an integer number (61188400).

Almost surely, 2480718081 is an apocalyptic number.

It is an amenable number.

480718081 is a deficient number, since it is larger than the sum of its proper divisors (8789119).

480718081 is a wasteful number, since it uses less digits than its factorization.

480718081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33879.

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 480718081 is about 21925.2840574529. The cubic root of 480718081 is about 783.3637770372.

The spelling of 480718081 in words is "four hundred eighty million, seven hundred eighteen thousand, eighty-one".

Divisors: 1 79 181 14299 33619 2655901 6085039 480718081