Base | Representation |
---|---|
bin | 1001010011010… |
… | …10010111011111 |
3 | 12102211100110020 |
4 | 10221222113133 |
5 | 124433432203 |
6 | 11424243223 |
7 | 1635150411 |
oct | 451522737 |
9 | 172740406 |
10 | 78030303 |
11 | 4005635a |
12 | 22170513 |
13 | 132209a0 |
14 | a5129b1 |
15 | 6cb5153 |
hex | 4a6a5df |
78030303 has 16 divisors (see below), whose sum is σ = 112226016. Its totient is φ = 47940480.
The previous prime is 78030233. The next prime is 78030311. The reversal of 78030303 is 30303087.
It is not a de Polignac number, because 78030303 - 216 = 77964767 is a prime.
78030303 is a modest number, since divided by 30303 gives 78 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78030313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30801 + ... + 33237.
It is an arithmetic number, because the mean of its divisors is an integer number (7014126).
Almost surely, 278030303 is an apocalyptic number.
78030303 is a deficient number, since it is larger than the sum of its proper divisors (34195713).
78030303 is a wasteful number, since it uses less digits than its factorization.
78030303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3274.
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 78030303 is about 8833.4762692838. The cubic root of 78030303 is about 427.3211919359.
The spelling of 78030303 in words is "seventy-eight million, thirty thousand, three hundred three".
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