Base | Representation |
---|---|
bin | 1001101000101… |
… | …01100000001110 |
3 | 12122002111202120 |
4 | 10310111200032 |
5 | 131143002210 |
6 | 12004233410 |
7 | 2001013254 |
oct | 464254016 |
9 | 178074676 |
10 | 80828430 |
11 | 41697661 |
12 | 2309b866 |
13 | 13990497 |
14 | aa405d4 |
15 | 7169270 |
hex | 4d1580e |
80828430 has 16 divisors (see below), whose sum is σ = 193988304. Its totient is φ = 21554240.
The previous prime is 80828411. The next prime is 80828437. The reversal of 80828430 is 3482808.
It is a junction number, because it is equal to n+sod(n) for n = 80828391 and 80828400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80828437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347111 + ... + 1347170.
It is an arithmetic number, because the mean of its divisors is an integer number (12124269).
Almost surely, 280828430 is an apocalyptic number.
80828430 is an abundant number, since it is smaller than the sum of its proper divisors (113159874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80828430 is a wasteful number, since it uses less digits than its factorization.
80828430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2694291.
The product of its (nonzero) digits is 12288, while the sum is 33.
The square root of 80828430 is about 8990.4632806102. The cubic root of 80828430 is about 432.3691653215.
The spelling of 80828430 in words is "eighty million, eight hundred twenty-eight thousand, four hundred thirty".
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