Base | Representation |
---|---|
bin | 1001100101011… |
… | …01110000010011 |
3 | 12121021220211111 |
4 | 10302231300103 |
5 | 131040402400 |
6 | 11551154151 |
7 | 1664263315 |
oct | 462556023 |
9 | 177256744 |
10 | 80403475 |
11 | 41427359 |
12 | 22b15957 |
13 | 13871c29 |
14 | a96d7b5 |
15 | 70d33ba |
hex | 4cadc13 |
80403475 has 6 divisors (see below), whose sum is σ = 99700340. Its totient is φ = 64322760.
The previous prime is 80403473. The next prime is 80403487. The reversal of 80403475 is 57430408.
It is not a de Polignac number, because 80403475 - 21 = 80403473 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80403473) 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 5 ways as a sum of consecutive naturals, for example, 1608045 + ... + 1608094.
Almost surely, 280403475 is an apocalyptic number.
80403475 is a deficient number, since it is larger than the sum of its proper divisors (19296865).
80403475 is a wasteful number, since it uses less digits than its factorization.
80403475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3216149 (or 3216144 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 80403475 is about 8966.7984810633. The cubic root of 80403475 is about 431.6101073928.
The spelling of 80403475 in words is "eighty million, four hundred three thousand, four hundred seventy-five".
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