Base | Representation |
---|---|
bin | 1001100010100… |
… | …00001111000110 |
3 | 12120120110101100 |
4 | 10301100033012 |
5 | 130441123142 |
6 | 11535040530 |
7 | 1661106456 |
oct | 461201706 |
9 | 176513340 |
10 | 80020422 |
11 | 41195589 |
12 | 22970146 |
13 | 13769781 |
14 | a8add66 |
15 | 7059b4c |
hex | 4c503c6 |
80020422 has 24 divisors (see below), whose sum is σ = 173549376. Its totient is φ = 26647056.
The previous prime is 80020417. The next prime is 80020429. The reversal of 80020422 is 22402008.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 80020395 and 80020404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80020429) 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 11 ways as a sum of consecutive naturals, for example, 26788 + ... + 29624.
It is an arithmetic number, because the mean of its divisors is an integer number (7231224).
Almost surely, 280020422 is an apocalyptic number.
80020422 is an abundant number, since it is smaller than the sum of its proper divisors (93528954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80020422 is a wasteful number, since it uses less digits than its factorization.
80020422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4412 (or 4409 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 80020422 is about 8945.4134616573. The cubic root of 80020422 is about 430.9235997746.
The spelling of 80020422 in words is "eighty million, twenty thousand, four hundred twenty-two".
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