Base | Representation |
---|---|
bin | 1001100100010… |
… | …10111100011010 |
3 | 12121000200020120 |
4 | 10302022330122 |
5 | 131021322030 |
6 | 11544134110 |
7 | 1663130523 |
oct | 462127432 |
9 | 177020216 |
10 | 80260890 |
11 | 4133a216 |
12 | 22a67336 |
13 | 13822068 |
14 | a93384a |
15 | 70a6010 |
hex | 4c8af1a |
80260890 has 32 divisors (see below), whose sum is σ = 192922560. Its totient is φ = 21369984.
The previous prime is 80260889. The next prime is 80260907. The reversal of 80260890 is 9806208.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22617 + ... + 25923.
It is an arithmetic number, because the mean of its divisors is an integer number (6028830).
Almost surely, 280260890 is an apocalyptic number.
80260890 is an abundant number, since it is smaller than the sum of its proper divisors (112661670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80260890 is a wasteful number, since it uses less digits than its factorization.
80260890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4126.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 80260890 is about 8958.8442334935. The cubic root of 80260890 is about 431.3548218204.
The spelling of 80260890 in words is "eighty million, two hundred sixty thousand, eight hundred ninety".
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