Base | Representation |
---|---|
bin | 1000001001011… |
… | …01101001000010 |
3 | 11202121020212120 |
4 | 10010231221002 |
5 | 114444010021 |
6 | 10440505110 |
7 | 1456626525 |
oct | 404555102 |
9 | 152536776 |
10 | 68344386 |
11 | 35640170 |
12 | 1aa7b196 |
13 | 1120c086 |
14 | 9110bbc |
15 | 60002c6 |
hex | 412da42 |
68344386 has 32 divisors (see below), whose sum is σ = 157889088. Its totient is φ = 19491840.
The previous prime is 68344379. The next prime is 68344391.
68344386 is nontrivially palindromic in base 10.
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, 29335 + ... + 31578.
It is an arithmetic number, because the mean of its divisors is an integer number (4934034).
Almost surely, 268344386 is an apocalyptic number.
68344386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68344386 is an abundant number, since it is smaller than the sum of its proper divisors (89544702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68344386 is a wasteful number, since it uses less digits than its factorization.
68344386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60946.
The product of its digits is 331776, while the sum is 42.
The square root of 68344386 is about 8267.0663478649. The cubic root of 68344386 is about 408.8534016288.
The spelling of 68344386 in words is "sixty-eight million, three hundred forty-four thousand, three hundred eighty-six".
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