Base | Representation |
---|---|
bin | 1111010000111… |
… | …01110110010000 |
3 | 22220221112120002 |
4 | 13220131312100 |
5 | 230240023103 |
6 | 20412305132 |
7 | 3113252216 |
oct | 750356620 |
9 | 286845502 |
10 | 128048528 |
11 | 66309833 |
12 | 36a721a8 |
13 | 206b447a |
14 | 13012cb6 |
15 | b395488 |
hex | 7a1dd90 |
128048528 has 10 divisors (see below), whose sum is σ = 248094054. Its totient is φ = 64024256.
The previous prime is 128048509. The next prime is 128048563. The reversal of 128048528 is 825840821.
It can be written as a sum of positive squares in only one way, i.e., 118113424 + 9935104 = 10868^2 + 3152^2 .
It is a junction number, because it is equal to n+sod(n) for n = 128048491 and 128048500.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4001501 + ... + 4001532.
Almost surely, 2128048528 is an apocalyptic number.
It is an amenable number.
128048528 is a deficient number, since it is larger than the sum of its proper divisors (120045526).
128048528 is an equidigital number, since it uses as much as digits as its factorization.
128048528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8003041 (or 8003035 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 38.
The square root of 128048528 is about 11315.8529506176. The cubic root of 128048528 is about 504.0321009200.
The spelling of 128048528 in words is "one hundred twenty-eight million, forty-eight thousand, five hundred twenty-eight".
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