Base | Representation |
---|---|
bin | 1001100011111… |
… | …01001010011111 |
3 | 12120220210211002 |
4 | 10301331022133 |
5 | 131013020242 |
6 | 11543020515 |
7 | 1662504131 |
oct | 461751237 |
9 | 176823732 |
10 | 80204447 |
11 | 41300874 |
12 | 22a3a73b |
13 | 1380246b |
14 | a91b051 |
15 | 7094432 |
hex | 4c7d29f |
80204447 has 8 divisors (see below), whose sum is σ = 81689712. Its totient is φ = 78724800.
The previous prime is 80204441. The next prime is 80204461. The reversal of 80204447 is 74440208.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80204447 - 210 = 80203423 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80204441) 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, 36572 + ... + 38702.
It is an arithmetic number, because the mean of its divisors is an integer number (10211214).
Almost surely, 280204447 is an apocalyptic number.
80204447 is a deficient number, since it is larger than the sum of its proper divisors (1485265).
80204447 is a wasteful number, since it uses less digits than its factorization.
80204447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2809.
The product of its (nonzero) digits is 7168, while the sum is 29.
The square root of 80204447 is about 8955.6935521488. The cubic root of 80204447 is about 431.2536821922.
The spelling of 80204447 in words is "eighty million, two hundred four thousand, four hundred forty-seven".
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