Base | Representation |
---|---|
bin | 1000001001111… |
… | …10000000011001 |
3 | 11202201122211012 |
4 | 10010332000121 |
5 | 120003131132 |
6 | 10442143305 |
7 | 1460326124 |
oct | 404760031 |
9 | 152648735 |
10 | 68411417 |
11 | 35686568 |
12 | 1aab1b35 |
13 | 11233739 |
14 | 912b3bb |
15 | 60150b2 |
hex | 413e019 |
68411417 has 8 divisors (see below), whose sum is σ = 72698472. Its totient is φ = 64153600.
The previous prime is 68411401. The next prime is 68411423. The reversal of 68411417 is 71411486.
It can be written as a sum of positive squares in 4 ways, for example, as 5621641 + 62789776 = 2371^2 + 7924^2 .
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 68411417 - 24 = 68411401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68411117) 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, 2384 + ... + 11937.
It is an arithmetic number, because the mean of its divisors is an integer number (9087309).
Almost surely, 268411417 is an apocalyptic number.
It is an amenable number.
68411417 is a deficient number, since it is larger than the sum of its proper divisors (4287055).
68411417 is a wasteful number, since it uses less digits than its factorization.
68411417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14619.
The product of its digits is 5376, while the sum is 32.
The square root of 68411417 is about 8271.1194526497. The cubic root of 68411417 is about 408.9870234185.
The spelling of 68411417 in words is "sixty-eight million, four hundred eleven thousand, four hundred seventeen".
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