Base | Representation |
---|---|
bin | 1000000100101… |
… | …00010010010101 |
3 | 11201102100020002 |
4 | 10002110102111 |
5 | 114313404440 |
6 | 10415221045 |
7 | 1451402312 |
oct | 402242225 |
9 | 151370202 |
10 | 67716245 |
11 | 35251243 |
12 | 1a817785 |
13 | 1104c1ac |
14 | 8dc9d09 |
15 | 5e29115 |
hex | 4094495 |
67716245 has 16 divisors (see below), whose sum is σ = 85473792. Its totient is φ = 51430080.
The previous prime is 67716239. The next prime is 67716269. The reversal of 67716245 is 54261776.
It is not a de Polignac number, because 67716245 - 224 = 50939029 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 67716199 and 67716208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4094 + ... + 12336.
It is an arithmetic number, because the mean of its divisors is an integer number (5342112).
Almost surely, 267716245 is an apocalyptic number.
It is an amenable number.
67716245 is a deficient number, since it is larger than the sum of its proper divisors (17757547).
67716245 is a wasteful number, since it uses less digits than its factorization.
67716245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8332.
The product of its digits is 70560, while the sum is 38.
The square root of 67716245 is about 8228.9880908894. The cubic root of 67716245 is about 407.5969784369.
The spelling of 67716245 in words is "sixty-seven million, seven hundred sixteen thousand, two hundred forty-five".
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