Base | Representation |
---|---|
bin | 1000001001101… |
… | …01110111011011 |
3 | 11202122222002022 |
4 | 10010311313123 |
5 | 120001044300 |
6 | 10441325055 |
7 | 1460126663 |
oct | 404656733 |
9 | 152588068 |
10 | 68378075 |
11 | 35663507 |
12 | 1aa9678b |
13 | 112214cc |
14 | 911d1a3 |
15 | 600a285 |
hex | 4135ddb |
68378075 has 12 divisors (see below), whose sum is σ = 85169400. Its totient is φ = 54456960.
The previous prime is 68378069. The next prime is 68378081. The reversal of 68378075 is 57087386.
It is an interprime number because it is at equal distance from previous prime (68378069) and next prime (68378081).
It is not a de Polignac number, because 68378075 - 24 = 68378059 is a prime.
It is a super-2 number, since 2×683780752 = 9351122281411250, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350 + ... + 11699.
It is an arithmetic number, because the mean of its divisors is an integer number (7097450).
Almost surely, 268378075 is an apocalyptic number.
68378075 is a deficient number, since it is larger than the sum of its proper divisors (16791325).
68378075 is a wasteful number, since it uses less digits than its factorization.
68378075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12286 (or 12281 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 44.
The square root of 68378075 is about 8269.1036394521. The cubic root of 68378075 is about 408.9205692997.
The spelling of 68378075 in words is "sixty-eight million, three hundred seventy-eight thousand, seventy-five".
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