Base | Representation |
---|---|
bin | 1111111110111… |
… | …0110100001001 |
3 | 11200010220111102 |
4 | 3333232310021 |
5 | 114130212343 |
6 | 10352511145 |
7 | 1442550305 |
oct | 377566411 |
9 | 150126442 |
10 | 67038473 |
11 | 34928aa7 |
12 | 1a54b4b5 |
13 | 10b72848 |
14 | 8c90d05 |
15 | 5d433b8 |
hex | 3feed09 |
67038473 has 2 divisors, whose sum is σ = 67038474. Its totient is φ = 67038472.
The previous prime is 67038457. The next prime is 67038511. The reversal of 67038473 is 37483076.
It is an a-pointer prime, because the next prime (67038511) can be obtained adding 67038473 to its sum of digits (38).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 63552784 + 3485689 = 7972^2 + 1867^2 .
It is a cyclic number.
It is not a de Polignac number, because 67038473 - 24 = 67038457 is a prime.
It is not a weakly prime, because it can be changed into another prime (67038173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33519236 + 33519237.
It is an arithmetic number, because the mean of its divisors is an integer number (33519237).
Almost surely, 267038473 is an apocalyptic number.
It is an amenable number.
67038473 is a deficient number, since it is larger than the sum of its proper divisors (1).
67038473 is an equidigital number, since it uses as much as digits as its factorization.
67038473 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 84672, while the sum is 38.
The square root of 67038473 is about 8187.7025471130. The cubic root of 67038473 is about 406.2325364327.
The spelling of 67038473 in words is "sixty-seven million, thirty-eight thousand, four hundred seventy-three".
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