Base | Representation |
---|---|
bin | 1001100010101… |
… | …10100101010101 |
3 | 12120121210001021 |
4 | 10301112211111 |
5 | 130442441141 |
6 | 11535401141 |
7 | 1661245330 |
oct | 461264525 |
9 | 176553037 |
10 | 80046421 |
11 | 41203074 |
12 | 229831b1 |
13 | 13778560 |
14 | a8b9617 |
15 | 70626d1 |
hex | 4c56955 |
80046421 has 32 divisors (see below), whose sum is σ = 106202880. Its totient is φ = 58530816.
The previous prime is 80046413. The next prime is 80046443. The reversal of 80046421 is 12464008.
It is a cyclic number.
It is not a de Polignac number, because 80046421 - 23 = 80046413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80046481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90835 + ... + 91711.
It is an arithmetic number, because the mean of its divisors is an integer number (3318840).
Almost surely, 280046421 is an apocalyptic number.
It is an amenable number.
80046421 is a deficient number, since it is larger than the sum of its proper divisors (26156459).
80046421 is a wasteful number, since it uses less digits than its factorization.
80046421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 973.
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 80046421 is about 8946.8665464508. The cubic root of 80046421 is about 430.9702644020.
The spelling of 80046421 in words is "eighty million, forty-six thousand, four hundred twenty-one".
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