Base | Representation |
---|---|
bin | 1001101000100… |
… | …01101001011000 |
3 | 12122001201002110 |
4 | 10310101221120 |
5 | 131142001012 |
6 | 12004032320 |
7 | 2000616225 |
oct | 464215130 |
9 | 178051073 |
10 | 80812632 |
11 | 416867aa |
12 | 230926a0 |
13 | 13986234 |
14 | aa3894c |
15 | 716473c |
hex | 4d11a58 |
80812632 has 16 divisors (see below), whose sum is σ = 202031640. Its totient is φ = 26937536.
The previous prime is 80812621. The next prime is 80812637. The reversal of 80812632 is 23621808.
It is a self number, because there is not a number n which added to its sum of digits gives 80812632.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80812637) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1683573 + ... + 1683620.
Almost surely, 280812632 is an apocalyptic number.
It is an amenable number.
80812632 is an abundant number, since it is smaller than the sum of its proper divisors (121219008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80812632 is a wasteful number, since it uses less digits than its factorization.
80812632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3367202 (or 3367198 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 80812632 is about 8989.5846400154. The cubic root of 80812632 is about 432.3409944863.
The spelling of 80812632 in words is "eighty million, eight hundred twelve thousand, six hundred thirty-two".
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