Base | Representation |
---|---|
bin | 1000111100100… |
… | …10110000101100 |
3 | 12020012221021200 |
4 | 10132102300230 |
5 | 123203100103 |
6 | 11240325500 |
7 | 1600625514 |
oct | 436226054 |
9 | 166187250 |
10 | 75050028 |
11 | 39400219 |
12 | 21173890 |
13 | 12719301 |
14 | 9d78844 |
15 | 68c70a3 |
hex | 4792c2c |
75050028 has 36 divisors (see below), whose sum is σ = 196254240. Its totient is φ = 24153696.
The previous prime is 75050009. The next prime is 75050033. The reversal of 75050028 is 82005057.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 75049983 and 75050010.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34900 + ... + 36987.
Almost surely, 275050028 is an apocalyptic number.
It is an amenable number.
75050028 is an abundant number, since it is smaller than the sum of its proper divisors (121204212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75050028 is a wasteful number, since it uses less digits than its factorization.
75050028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71926 (or 71921 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 75050028 is about 8663.1419242674. The cubic root of 75050028 is about 421.8100790306.
The spelling of 75050028 in words is "seventy-five million, fifty thousand, twenty-eight".
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