Base | Representation |
---|---|
bin | 1001100110100… |
… | …00101001110100 |
3 | 12121120011220202 |
4 | 10303100221310 |
5 | 131104441140 |
6 | 11554220032 |
7 | 1665430133 |
oct | 463205164 |
9 | 177504822 |
10 | 80546420 |
11 | 41514799 |
12 | 22b84618 |
13 | 138c2006 |
14 | a9a991a |
15 | 7110915 |
hex | 4cd0a74 |
80546420 has 48 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 31612800.
The previous prime is 80546407. The next prime is 80546441. The reversal of 80546420 is 2464508.
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, 449891 + ... + 450069.
It is an arithmetic number, because the mean of its divisors is an integer number (3591000).
Almost surely, 280546420 is an apocalyptic number.
It is an amenable number.
80546420 is an abundant number, since it is smaller than the sum of its proper divisors (91821580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80546420 is a wasteful number, since it uses less digits than its factorization.
80546420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 488 (or 486 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 29.
The square root of 80546420 is about 8974.7657351042. The cubic root of 80546420 is about 431.8657347380.
The spelling of 80546420 in words is "eighty million, five hundred forty-six thousand, four hundred twenty".
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