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84648128 = 2647107263
BaseRepresentation
bin1010000101110…
…10000011000000
312220021120101212
411002322003000
5133132220003
612222145252
72045332355
oct502720300
9186246355
1084648128
1143866434
1224422228
13146c9c66
14b35662c
157670dd8
hex50ba0c0

84648128 has 56 divisors (see below), whose sum is σ = 173809152. Its totient is φ = 40880384.

The previous prime is 84648121. The next prime is 84648133. The reversal of 84648128 is 82184648.

It is not an unprimeable number, because it can be changed into a prime (84648121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321725 + ... + 321987.

Almost surely, 284648128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84648128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86904576).

84648128 is an abundant number, since it is smaller than the sum of its proper divisors (89161024).

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

84648128 is a wasteful number, since it uses less digits than its factorization.

84648128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 84648128 is about 9200.4417285259. The cubic root of 84648128 is about 439.0754138702.

The spelling of 84648128 in words is "eighty-four million, six hundred forty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 47 64 94 107 188 214 263 376 428 526 752 856 1052 1504 1712 2104 3008 3424 4208 5029 6848 8416 10058 12361 16832 20116 24722 28141 40232 49444 56282 80464 98888 112564 160928 197776 225128 321856 395552 450256 791104 900512 1322627 1801024 2645254 5290508 10581016 21162032 42324064 84648128