Base | Representation |
---|---|
bin | 1000001000001… |
… | …01001010101110 |
3 | 11202021211110120 |
4 | 10010011022232 |
5 | 114423203411 |
6 | 10433145410 |
7 | 1455336306 |
oct | 404051256 |
9 | 152254416 |
10 | 68178606 |
11 | 35537661 |
12 | 1a9bb266 |
13 | 11181792 |
14 | 90aa606 |
15 | 5ebb106 |
hex | 41052ae |
68178606 has 16 divisors (see below), whose sum is σ = 136475904. Its totient is φ = 22706424.
The previous prime is 68178587. The next prime is 68178629. The reversal of 68178606 is 60687186.
It is a super-2 number, since 2×681786062 = 9296644632206472, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3681 + ... + 12243.
It is an arithmetic number, because the mean of its divisors is an integer number (8529744).
Almost surely, 268178606 is an apocalyptic number.
68178606 is an abundant number, since it is smaller than the sum of its proper divisors (68297298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68178606 is a wasteful number, since it uses less digits than its factorization.
68178606 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9895.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 68178606 is about 8257.0337288884. The cubic root of 68178606 is about 408.5225546819.
The spelling of 68178606 in words is "sixty-eight million, one hundred seventy-eight thousand, six hundred six".
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