Base | Representation |
---|---|
bin | 1001100100001… |
… | …11100101010000 |
3 | 12120222222100120 |
4 | 10302013211100 |
5 | 131020401440 |
6 | 11543550240 |
7 | 1663042422 |
oct | 462074520 |
9 | 176888316 |
10 | 80247120 |
11 | 4132a938 |
12 | 22a5b380 |
13 | 13818a05 |
14 | a92c812 |
15 | 70a1dd0 |
hex | 4c87950 |
80247120 has 40 divisors (see below), whose sum is σ = 248766816. Its totient is φ = 21399168.
The previous prime is 80247107. The next prime is 80247143. The reversal of 80247120 is 2174208.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166942 + ... + 167421.
Almost surely, 280247120 is an apocalyptic number.
80247120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80247120 is an abundant number, since it is smaller than the sum of its proper divisors (168519696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80247120 is a wasteful number, since it uses less digits than its factorization.
80247120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 334379 (or 334373 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 80247120 is about 8958.0756862174. The cubic root of 80247120 is about 431.3301518738.
The spelling of 80247120 in words is "eighty million, two hundred forty-seven thousand, one hundred twenty".
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