Base | Representation |
---|---|
bin | 1000111100110… |
… | …00110001101000 |
3 | 12020021012002010 |
4 | 10132120301220 |
5 | 123204342124 |
6 | 11241035520 |
7 | 1601060400 |
oct | 436306150 |
9 | 166235063 |
10 | 75074664 |
11 | 39417785 |
12 | 21185ba0 |
13 | 127275a2 |
14 | 9d83800 |
15 | 68ce529 |
hex | 4798c68 |
75074664 has 48 divisors (see below), whose sum is σ = 218332800. Its totient is φ = 21449568.
The previous prime is 75074663. The next prime is 75074717. The reversal of 75074664 is 46647057.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75074663) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30744 + ... + 33095.
It is an arithmetic number, because the mean of its divisors is an integer number (4548600).
Almost surely, 275074664 is an apocalyptic number.
It is an amenable number.
75074664 is an abundant number, since it is smaller than the sum of its proper divisors (143258136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75074664 is a wasteful number, since it uses less digits than its factorization.
75074664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63862 (or 63851 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 39.
The square root of 75074664 is about 8664.5636935740. The cubic root of 75074664 is about 421.8562285859.
The spelling of 75074664 in words is "seventy-five million, seventy-four thousand, six hundred sixty-four".
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