Base | Representation |
---|---|
bin | 1000001000111… |
… | …01110000110011 |
3 | 11202110221122201 |
4 | 10010131300303 |
5 | 114434414342 |
6 | 10435244031 |
7 | 1456236103 |
oct | 404356063 |
9 | 152427581 |
10 | 68279347 |
11 | 355a6314 |
12 | 1aa49617 |
13 | 111b85a6 |
14 | 90d5203 |
15 | 5edadb7 |
hex | 411dc33 |
68279347 has 8 divisors (see below), whose sum is σ = 68932080. Its totient is φ = 67630080.
The previous prime is 68279303. The next prime is 68279363. The reversal of 68279347 is 74397286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68279347 - 211 = 68277299 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68279297 and 68279306.
It is not an unprimeable number, because it can be changed into a prime (68279377) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53604 + ... + 54862.
It is an arithmetic number, because the mean of its divisors is an integer number (8616510).
Almost surely, 268279347 is an apocalyptic number.
68279347 is a deficient number, since it is larger than the sum of its proper divisors (652733).
68279347 is a wasteful number, since it uses less digits than its factorization.
68279347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1733.
The product of its digits is 508032, while the sum is 46.
The square root of 68279347 is about 8263.1317912762. The cubic root of 68279347 is about 408.7236672179.
The spelling of 68279347 in words is "sixty-eight million, two hundred seventy-nine thousand, three hundred forty-seven".
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