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480188987 = 17103274237
BaseRepresentation
bin11100100111110…
…001101000111011
31020110120010110022
4130213301220323
51440412021422
6115352041055
714620352615
oct3447615073
91213503408
10480188987
11227066103
1211499318b
13786399c5
1447ab9db5
152c253342
hex1c9f1a3b

480188987 has 8 divisors (see below), whose sum is σ = 513373536. Its totient is φ = 447553152.

The previous prime is 480188959. The next prime is 480188993. The reversal of 480188987 is 789881084.

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

It is not a de Polignac number, because 480188987 - 220 = 479140411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480188587) 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, 135368 + ... + 138869.

It is an arithmetic number, because the mean of its divisors is an integer number (64171692).

Almost surely, 2480188987 is an apocalyptic number.

480188987 is a deficient number, since it is larger than the sum of its proper divisors (33184549).

480188987 is a wasteful number, since it uses less digits than its factorization.

480188987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274357.

The product of its (nonzero) digits is 1032192, while the sum is 53.

The square root of 480188987 is about 21913.2148942139. The cubic root of 480188987 is about 783.0762729577.

The spelling of 480188987 in words is "four hundred eighty million, one hundred eighty-eight thousand, nine hundred eighty-seven".

Divisors: 1 17 103 1751 274237 4662029 28246411 480188987