Base | Representation |
---|---|
bin | 1000111100001… |
… | …10101100110110 |
3 | 12020010102112010 |
4 | 10132012230312 |
5 | 123200010010 |
6 | 11235305050 |
7 | 1600331505 |
oct | 436065466 |
9 | 166112463 |
10 | 75000630 |
11 | 393770a1 |
12 | 2114b186 |
13 | 126cc993 |
14 | 9d6483c |
15 | 68b7620 |
hex | 4786b36 |
75000630 has 32 divisors (see below), whose sum is σ = 180278784. Its totient is φ = 19969376.
The previous prime is 75000589. The next prime is 75000661. The reversal of 75000630 is 3600057.
It is a junction number, because it is equal to n+sod(n) for n = 75000597 and 75000606.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23299 + ... + 26321.
It is an arithmetic number, because the mean of its divisors is an integer number (5633712).
Almost surely, 275000630 is an apocalyptic number.
75000630 is an abundant number, since it is smaller than the sum of its proper divisors (105278154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75000630 is a wasteful number, since it uses less digits than its factorization.
75000630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3860.
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 75000630 is about 8660.2904108350. The cubic root of 75000630 is about 421.7175134533.
Adding to 75000630 its reverse (3600057), we get a palindrome (78600687).
The spelling of 75000630 in words is "seventy-five million, six hundred thirty", and thus it is an aban number.
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