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487032516 = 223213528681
BaseRepresentation
bin11101000001111…
…000011011000100
31020221102211000100
4131001320123010
51444140020031
6120154444100
715032464605
oct3501703304
91227384010
10487032516
1122aa0a813
12117133630
1379b94929
144897bdac
152cb55de6
hex1d0786c4

487032516 has 18 divisors (see below), whose sum is σ = 1231110062. Its totient is φ = 162344160.

The previous prime is 487032493. The next prime is 487032547. The reversal of 487032516 is 615230784.

487032516 is a `hidden beast` number, since 48 + 70 + 32 + 516 = 666.

It can be written as a sum of positive squares in only one way, i.e., 377913600 + 109118916 = 19440^2 + 10446^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13528681 = 487032516 / (4 + 8 + 7 + 0 + 3 + 2 + 5 + 1 + 6).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6764305 + ... + 6764376.

Almost surely, 2487032516 is an apocalyptic number.

It is an amenable number.

487032516 is an abundant number, since it is smaller than the sum of its proper divisors (744077546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487032516 is a wasteful number, since it uses less digits than its factorization.

487032516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13528691 (or 13528686 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 487032516 is about 22068.8131987200. The cubic root of 487032516 is about 786.7788057924.

The spelling of 487032516 in words is "four hundred eighty-seven million, thirty-two thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 13528681 27057362 40586043 54114724 81172086 121758129 162344172 243516258 487032516