Base | Representation |
---|---|
bin | 1000001000111… |
… | …00111111010010 |
3 | 11202110210022100 |
4 | 10010130333102 |
5 | 114434314203 |
6 | 10435221230 |
7 | 1456223625 |
oct | 404347722 |
9 | 152423270 |
10 | 68276178 |
11 | 355a39a3 |
12 | 1aa47816 |
13 | 111b7009 |
14 | 90d3dbc |
15 | 5ed9ea3 |
hex | 411cfd2 |
68276178 has 12 divisors (see below), whose sum is σ = 147931758. Its totient is φ = 22758720.
The previous prime is 68276171. The next prime is 68276189. The reversal of 68276178 is 87167286.
68276178 is a `hidden beast` number, since 6 + 8 + 27 + 617 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 68013009 + 263169 = 8247^2 + 513^2 .
It is not an unprimeable number, because it can be changed into a prime (68276171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1896543 + ... + 1896578.
Almost surely, 268276178 is an apocalyptic number.
68276178 is an abundant number, since it is smaller than the sum of its proper divisors (79655580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68276178 is a wasteful number, since it uses less digits than its factorization.
68276178 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3793129 (or 3793126 counting only the distinct ones).
The product of its digits is 225792, while the sum is 45.
The square root of 68276178 is about 8262.9400336684. The cubic root of 68276178 is about 408.7173438546.
The spelling of 68276178 in words is "sixty-eight million, two hundred seventy-six thousand, one hundred seventy-eight".
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