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487431612 = 2232131103357
BaseRepresentation
bin11101000011011…
…001110110111100
31020222012002110200
4131003121312330
51444240302422
6120211203500
715036046263
oct3503316674
91228162420
10487431612
11230162648
121172a6590
1379ca4495
1448a435da
152cbd42ac
hex1d0d9dbc

487431612 has 36 divisors (see below), whose sum is σ = 1241536296. Its totient is φ = 161235360.

The previous prime is 487431601. The next prime is 487431613. The reversal of 487431612 is 216134784.

487431612 is a `hidden beast` number, since 4 + 8 + 7 + 4 + 31 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487431613) 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 11 ways as a sum of consecutive naturals, for example, 46963 + ... + 56394.

Almost surely, 2487431612 is an apocalyptic number.

It is an amenable number.

487431612 is an abundant number, since it is smaller than the sum of its proper divisors (754104684).

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

487431612 is a wasteful number, since it uses less digits than its factorization.

487431612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103498 (or 103493 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 487431612 is about 22077.8534282661. The cubic root of 487431612 is about 786.9936542432.

The spelling of 487431612 in words is "four hundred eighty-seven million, four hundred thirty-one thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 131 262 393 524 786 1179 1572 2358 4716 103357 206714 310071 413428 620142 930213 1240284 1860426 3720852 13539767 27079534 40619301 54159068 81238602 121857903 162477204 243715806 487431612