Base | Representation |
---|---|
bin | 1001100011110… |
… | …00011000100000 |
3 | 12120212210221210 |
4 | 10301320120200 |
5 | 131011403424 |
6 | 11542350120 |
7 | 1662363054 |
oct | 461703040 |
9 | 176783853 |
10 | 80184864 |
11 | 41298091 |
12 | 22a2b340 |
13 | 137c6586 |
14 | a913c64 |
15 | 708d729 |
hex | 4c78620 |
80184864 has 48 divisors (see below), whose sum is σ = 221568480. Its totient is φ = 25320960.
The previous prime is 80184851. The next prime is 80184899. The reversal of 80184864 is 46848108.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×801848642 = 12859224829396992, which contains 22 as substring.
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, 20157 + ... + 23804.
It is an arithmetic number, because the mean of its divisors is an integer number (4616010).
Almost surely, 280184864 is an apocalyptic number.
It is an amenable number.
80184864 is an abundant number, since it is smaller than the sum of its proper divisors (141383616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80184864 is a wasteful number, since it uses less digits than its factorization.
80184864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43993 (or 43985 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 39.
The square root of 80184864 is about 8954.6001585777. The cubic root of 80184864 is about 431.2185805297.
The spelling of 80184864 in words is "eighty million, one hundred eighty-four thousand, eight hundred sixty-four".
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