Base | Representation |
---|---|
bin | 1001101000001… |
… | …01111011001111 |
3 | 12121222021020100 |
4 | 10310011323033 |
5 | 131133431443 |
6 | 12003022143 |
7 | 2000326242 |
oct | 464057317 |
9 | 177867210 |
10 | 80764623 |
11 | 41653725 |
12 | 2306a953 |
13 | 1396a424 |
14 | aa25259 |
15 | 71553d3 |
hex | 4d05ecf |
80764623 has 24 divisors (see below), whose sum is σ = 122241600. Its totient is φ = 51315264.
The previous prime is 80764609. The next prime is 80764627. The reversal of 80764623 is 32646708.
80764623 is a `hidden beast` number, since 8 + 0 + 7 + 646 + 2 + 3 = 666.
It is not a de Polignac number, because 80764623 - 25 = 80764591 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80764627) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18661 + ... + 22577.
It is an arithmetic number, because the mean of its divisors is an integer number (5093400).
Almost surely, 280764623 is an apocalyptic number.
80764623 is a deficient number, since it is larger than the sum of its proper divisors (41476977).
80764623 is a wasteful number, since it uses less digits than its factorization.
80764623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4031 (or 4028 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 80764623 is about 8986.9139864583. The cubic root of 80764623 is about 432.2553627811.
The spelling of 80764623 in words is "eighty million, seven hundred sixty-four thousand, six hundred twenty-three".
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