Base | Representation |
---|---|
bin | 1000111110011… |
… | …10000101100110 |
3 | 12020200021121202 |
4 | 10133032011212 |
5 | 123233334110 |
6 | 11245442502 |
7 | 1602660131 |
oct | 437160546 |
9 | 166607552 |
10 | 75293030 |
11 | 3955684a |
12 | 21270432 |
13 | 127a2ab7 |
14 | 9ddd218 |
15 | 69240a5 |
hex | 47ce166 |
75293030 has 32 divisors (see below), whose sum is σ = 142720704. Its totient is φ = 28542976.
The previous prime is 75292981. The next prime is 75293041. The reversal of 75293030 is 3039257.
It is a junction number, because it is equal to n+sod(n) for n = 75292984 and 75293002.
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, 24542 + ... + 27438.
It is an arithmetic number, because the mean of its divisors is an integer number (4460022).
Almost surely, 275293030 is an apocalyptic number.
75293030 is a deficient number, since it is larger than the sum of its proper divisors (67427674).
75293030 is a wasteful number, since it uses less digits than its factorization.
75293030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3040.
The product of its (nonzero) digits is 5670, while the sum is 29.
The square root of 75293030 is about 8677.1556399548. The cubic root of 75293030 is about 422.2648435224.
The spelling of 75293030 in words is "seventy-five million, two hundred ninety-three thousand, thirty".
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