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487438084 = 2272192832
BaseRepresentation
bin11101000011011…
…011011100000100
31020222012102100101
4131003123130010
51444241004314
6120211253444
715036104200
oct3503333404
91228172311
10487438084
112301674a1
121172aa284
1379ca7403
1448a45b00
152cbd6174
hex1d0db704

487438084 has 81 divisors (see below), whose sum is σ = 1060028487. Its totient is φ = 195522768.

The previous prime is 487438073. The next prime is 487438087. The reversal of 487438084 is 480834784.

The square root of 487438084 is 22078.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (487438087) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5872707 + ... + 5872789.

Almost surely, 2487438084 is an apocalyptic number.

487438084 is the 22078-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487438084

487438084 is an abundant number, since it is smaller than the sum of its proper divisors (572590403).

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

487438084 is a wasteful number, since it uses less digits than its factorization.

487438084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 46.

The cubic root of 487438084 is about 786.9971373988.

The spelling of 487438084 in words is "four hundred eighty-seven million, four hundred thirty-eight thousand, eighty-four".

Divisors: 1 2 4 7 14 19 28 38 49 76 83 98 133 166 196 266 332 361 532 581 722 931 1162 1444 1577 1862 2324 2527 3154 3724 4067 5054 6308 6889 8134 10108 11039 13778 16268 17689 22078 27556 29963 35378 44156 48223 59926 70756 77273 96446 119852 130891 154546 192892 209741 261782 309092 337561 419482 523564 675122 838964 916237 1350244 1468187 1832474 2486929 2936374 3664948 4973858 5872748 6413659 9947716 12827318 17408503 25654636 34817006 69634012 121859521 243719042 487438084