Base | Representation |
---|---|
bin | 1001100101111… |
… | …11011001100000 |
3 | 12121102120222010 |
4 | 10302333121200 |
5 | 131100210434 |
6 | 11552512520 |
7 | 1665014106 |
oct | 462773140 |
9 | 177376863 |
10 | 80475744 |
11 | 41476688 |
12 | 22b4b740 |
13 | 13898aab |
14 | a98bc76 |
15 | 70e99e9 |
hex | 4cbf660 |
80475744 has 48 divisors (see below), whose sum is σ = 211785840. Its totient is φ = 26757120.
The previous prime is 80475727. The next prime is 80475751. The reversal of 80475744 is 44757408.
It is a tau number, because it is divible by the number of its divisors (48).
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, 49212 + ... + 50820.
It is an arithmetic number, because the mean of its divisors is an integer number (4412205).
Almost surely, 280475744 is an apocalyptic number.
It is an amenable number.
80475744 is an abundant number, since it is smaller than the sum of its proper divisors (131310096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80475744 is a wasteful number, since it uses less digits than its factorization.
80475744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2143 (or 2135 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 39.
The square root of 80475744 is about 8970.8273865904. The cubic root of 80475744 is about 431.7393832733.
The spelling of 80475744 in words is "eighty million, four hundred seventy-five thousand, seven hundred forty-four".
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