Base | Representation |
---|---|
bin | 1000000010110… |
… | …10110111111101 |
3 | 11200222101122110 |
4 | 10001122313331 |
5 | 114233343320 |
6 | 10410204233 |
7 | 1446402600 |
oct | 401326775 |
9 | 150871573 |
10 | 67481085 |
11 | 351005a1 |
12 | 1a723679 |
13 | 10c99149 |
14 | 8d68337 |
15 | 5dce5e0 |
hex | 405adfd |
67481085 has 24 divisors (see below), whose sum is σ = 125598816. Its totient is φ = 30848160.
The previous prime is 67481059. The next prime is 67481087. The reversal of 67481085 is 58018476.
It is not a de Polignac number, because 67481085 - 25 = 67481053 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67481087) 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, 45171 + ... + 46640.
It is an arithmetic number, because the mean of its divisors is an integer number (5233284).
Almost surely, 267481085 is an apocalyptic number.
It is an amenable number.
67481085 is a deficient number, since it is larger than the sum of its proper divisors (58117731).
67481085 is a wasteful number, since it uses less digits than its factorization.
67481085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91833 (or 91826 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 67481085 is about 8214.6871516814. The cubic root of 67481085 is about 407.1246069294.
The spelling of 67481085 in words is "sixty-seven million, four hundred eighty-one thousand, eighty-five".
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