Base | Representation |
---|---|
bin | 1000001000001… |
… | …11010100010110 |
3 | 11202022021112210 |
4 | 10010013110112 |
5 | 114423444124 |
6 | 10433254250 |
7 | 1455404061 |
oct | 404072426 |
9 | 152267483 |
10 | 68187414 |
11 | 35543239 |
12 | 1aa04386 |
13 | 111857a9 |
14 | 90ad8d8 |
15 | 5ebda29 |
hex | 4107516 |
68187414 has 16 divisors (see below), whose sum is σ = 140774400. Its totient is φ = 21995880.
The previous prime is 68187407. The next prime is 68187419. The reversal of 68187414 is 41478186.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68187419) 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, 183114 + ... + 183485.
It is an arithmetic number, because the mean of its divisors is an integer number (8798400).
Almost surely, 268187414 is an apocalyptic number.
68187414 is an abundant number, since it is smaller than the sum of its proper divisors (72586986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68187414 is a wasteful number, since it uses less digits than its factorization.
68187414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366635.
The product of its digits is 43008, while the sum is 39.
The square root of 68187414 is about 8257.5670751136. The cubic root of 68187414 is about 408.5401462791.
The spelling of 68187414 in words is "sixty-eight million, one hundred eighty-seven thousand, four hundred fourteen".
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