Base | Representation |
---|---|
bin | 1001100101011… |
… | …00110000010110 |
3 | 12121021201012220 |
4 | 10302230300112 |
5 | 131040240012 |
6 | 11551123210 |
7 | 1664245350 |
oct | 462546026 |
9 | 177251186 |
10 | 80399382 |
11 | 41424278 |
12 | 22b13506 |
13 | 138700cb |
14 | a96c0d0 |
15 | 70d208c |
hex | 4cacc16 |
80399382 has 32 divisors (see below), whose sum is σ = 185229312. Its totient is φ = 22788864.
The previous prime is 80399377. The next prime is 80399411. The reversal of 80399382 is 28399308.
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 2203 + ... + 12870.
It is an arithmetic number, because the mean of its divisors is an integer number (5788416).
Almost surely, 280399382 is an apocalyptic number.
80399382 is an abundant number, since it is smaller than the sum of its proper divisors (104829930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80399382 is a wasteful number, since it uses less digits than its factorization.
80399382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15212.
The product of its (nonzero) digits is 93312, while the sum is 42.
The square root of 80399382 is about 8966.5702473131. The cubic root of 80399382 is about 431.6027834550.
The spelling of 80399382 in words is "eighty million, three hundred ninety-nine thousand, three hundred eighty-two".
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