Base | Representation |
---|---|
bin | 1111010100001… |
… | …00000010001100 |
3 | 22221201210201011 |
4 | 13222010002030 |
5 | 230341421314 |
6 | 20425255004 |
7 | 3116644414 |
oct | 752040214 |
9 | 287653634 |
10 | 128467084 |
11 | 66575249 |
12 | 37034464 |
13 | 207ccb35 |
14 | 130c1644 |
15 | b4294c4 |
hex | 7a8408c |
128467084 has 12 divisors (see below), whose sum is σ = 225674064. Its totient is φ = 63988784.
The previous prime is 128467081. The next prime is 128467093. The reversal of 128467084 is 480764821.
It is not an unprimeable number, because it can be changed into a prime (128467081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60007 + ... + 62110.
It is an arithmetic number, because the mean of its divisors is an integer number (18806172).
Almost surely, 2128467084 is an apocalyptic number.
It is an amenable number.
128467084 is a deficient number, since it is larger than the sum of its proper divisors (97206980).
128467084 is a wasteful number, since it uses less digits than its factorization.
128467084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122384 (or 122382 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 40.
The square root of 128467084 is about 11334.3320932466. The cubic root of 128467084 is about 504.5806851602.
The spelling of 128467084 in words is "one hundred twenty-eight million, four hundred sixty-seven thousand, eighty-four".
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