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487134661 = 13320311699
BaseRepresentation
bin11101000010010…
…001010111000101
31020221122000010111
4131002101113011
51444201302121
6120200553021
715033401446
oct3502212705
91227560114
10487134661
1122aa7a532
12117182771
1379bcc280
14489a72cd
152cb762e1
hex1d0915c5

487134661 has 8 divisors (see below), whose sum is σ = 524815200. Its totient is φ = 449483952.

The previous prime is 487134629. The next prime is 487134667. The reversal of 487134661 is 166431784.

It is the 9011-st star number.

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 487134661 - 25 = 487134629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487134667) 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, 35790 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (65601900).

Almost surely, 2487134661 is an apocalyptic number.

It is an amenable number.

487134661 is a deficient number, since it is larger than the sum of its proper divisors (37680539).

487134661 is a wasteful number, since it uses less digits than its factorization.

487134661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14915.

The product of its digits is 96768, while the sum is 40.

The square root of 487134661 is about 22071.1273160208. The cubic root of 487134661 is about 786.8338054764.

The spelling of 487134661 in words is "four hundred eighty-seven million, one hundred thirty-four thousand, six hundred sixty-one".

Divisors: 1 13 3203 11699 41639 152087 37471897 487134661