Base | Representation |
---|---|
bin | 1001100101101… |
… | …10011000111100 |
3 | 12121100201100110 |
4 | 10302312120330 |
5 | 131043020334 |
6 | 11552030020 |
7 | 1664501403 |
oct | 462663074 |
9 | 177321313 |
10 | 80438844 |
11 | 41450992 |
12 | 22b32310 |
13 | 13885065 |
14 | a97c63a |
15 | 70ddae9 |
hex | 4cb663c |
80438844 has 24 divisors (see below), whose sum is σ = 187971840. Its totient is φ = 26772784.
The previous prime is 80438833. The next prime is 80438863. The reversal of 80438844 is 44883408.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 13289.
It is an arithmetic number, because the mean of its divisors is an integer number (7832160).
Almost surely, 280438844 is an apocalyptic number.
It is an amenable number.
80438844 is an abundant number, since it is smaller than the sum of its proper divisors (107532996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80438844 is a wasteful number, since it uses less digits than its factorization.
80438844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10049 (or 10047 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 39.
The square root of 80438844 is about 8968.7704842972. The cubic root of 80438844 is about 431.6733856695.
The spelling of 80438844 in words is "eighty million, four hundred thirty-eight thousand, eight hundred forty-four".
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