Base | Representation |
---|---|
bin | 1001100010100… |
… | …10110001011100 |
3 | 12120120222122011 |
4 | 10301102301130 |
5 | 130441441222 |
6 | 11535201004 |
7 | 1661151661 |
oct | 461226134 |
9 | 176528564 |
10 | 80030812 |
11 | 411a2374 |
12 | 22976164 |
13 | 13771414 |
14 | a8b3a68 |
15 | 705cc77 |
hex | 4c52c5c |
80030812 has 24 divisors (see below), whose sum is σ = 147884240. Its totient is φ = 37896336.
The previous prime is 80030803. The next prime is 80030813. The reversal of 80030812 is 21803008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80030813) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25978 + ... + 28894.
Almost surely, 280030812 is an apocalyptic number.
It is an amenable number.
80030812 is a deficient number, since it is larger than the sum of its proper divisors (67853428).
80030812 is a wasteful number, since it uses less digits than its factorization.
80030812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2978 (or 2938 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 80030812 is about 8945.9941873444. The cubic root of 80030812 is about 430.9422496073.
The spelling of 80030812 in words is "eighty million, thirty thousand, eight hundred twelve".
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