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487771055 = 51741672089
BaseRepresentation
bin11101000100101…
…100101110101111
31020222211100002122
4131010230232233
51444332133210
6120222343155
715041662022
oct3504545657
91228740078
10487771055
11230374682
1211742aabb
137a092b35
1448ad11b9
152cc4eb55
hex1d12cbaf

487771055 has 32 divisors (see below), whose sum is σ = 644656320. Its totient is φ = 352788480.

The previous prime is 487771013. The next prime is 487771073. The reversal of 487771055 is 550177784.

It is not a de Polignac number, because 487771055 - 214 = 487754671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487770997 and 487771015.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 232451 + ... + 234539.

It is an arithmetic number, because the mean of its divisors is an integer number (20145510).

Almost surely, 2487771055 is an apocalyptic number.

487771055 is a deficient number, since it is larger than the sum of its proper divisors (156885265).

487771055 is a wasteful number, since it uses less digits than its factorization.

487771055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219.

The product of its (nonzero) digits is 274400, while the sum is 44.

The square root of 487771055 is about 22085.5394998628. The cubic root of 487771055 is about 787.1762969588.

The spelling of 487771055 in words is "four hundred eighty-seven million, seven hundred seventy-one thousand, fifty-five".

Divisors: 1 5 17 41 67 85 205 335 697 1139 2089 2747 3485 5695 10445 13735 35513 46699 85649 139963 177565 233495 428245 699815 1456033 2379371 5738483 7280165 11896855 28692415 97554211 487771055