Base | Representation |
---|---|
bin | 1001100101010… |
… | …01100110000010 |
3 | 12121021001110100 |
4 | 10302221212002 |
5 | 131034331214 |
6 | 11550543230 |
7 | 1664162532 |
oct | 462514602 |
9 | 177231410 |
10 | 80386434 |
11 | 41415577 |
12 | 22b07b16 |
13 | 1386724b |
14 | a9674c2 |
15 | 70cd309 |
hex | 4ca9982 |
80386434 has 24 divisors (see below), whose sum is σ = 180177660. Its totient is φ = 25871328.
The previous prime is 80386417. The next prime is 80386451. The reversal of 80386434 is 43468308.
80386434 is a `hidden beast` number, since 8 + 0 + 3 + 8 + 643 + 4 = 666.
It is an interprime number because it is at equal distance from previous prime (80386417) and next prime (80386451).
It can be written as a sum of positive squares in 2 ways, for example, as 78269409 + 2117025 = 8847^2 + 1455^2 .
It is a Curzon number.
It is an unprimeable number.
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, 76477 + ... + 77520.
Almost surely, 280386434 is an apocalyptic number.
80386434 is an abundant number, since it is smaller than the sum of its proper divisors (99791226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80386434 is a wasteful number, since it uses less digits than its factorization.
80386434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154034 (or 154031 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 80386434 is about 8965.8482030425. The cubic root of 80386434 is about 431.5796129085.
The spelling of 80386434 in words is "eighty million, three hundred eighty-six thousand, four hundred thirty-four".
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