Base | Representation |
---|---|
bin | 1001100101111… |
… | …10011011010000 |
3 | 12121102101111120 |
4 | 10302332123100 |
5 | 131100044020 |
6 | 11552442240 |
7 | 1664666355 |
oct | 462763320 |
9 | 177371446 |
10 | 80471760 |
11 | 41473696 |
12 | 22b49380 |
13 | 13897035 |
14 | a98a62c |
15 | 70e8740 |
hex | 4cbe6d0 |
80471760 has 40 divisors (see below), whose sum is σ = 249463200. Its totient is φ = 21459072.
The previous prime is 80471731. The next prime is 80471767. The reversal of 80471760 is 6717408.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-3 number, since 3×804717603 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80471767) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167410 + ... + 167889.
It is an arithmetic number, because the mean of its divisors is an integer number (6236580).
Almost surely, 280471760 is an apocalyptic number.
80471760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80471760 is an abundant number, since it is smaller than the sum of its proper divisors (168991440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80471760 is a wasteful number, since it uses less digits than its factorization.
80471760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335315 (or 335309 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 33.
The square root of 80471760 is about 8970.6053307455. The cubic root of 80471760 is about 431.7322586500.
The spelling of 80471760 in words is "eighty million, four hundred seventy-one thousand, seven hundred sixty".
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