Base | Representation |
---|---|
bin | 1000001011100… |
… | …10001110010001 |
3 | 11210010112012200 |
4 | 10011302032101 |
5 | 120032002142 |
6 | 10450513413 |
7 | 1462206516 |
oct | 405621621 |
9 | 153115180 |
10 | 68625297 |
11 | 35812224 |
12 | 1ab95869 |
13 | 112a9bb0 |
14 | 918530d |
15 | 605864c |
hex | 4172391 |
68625297 has 12 divisors (see below), whose sum is σ = 106750644. Its totient is φ = 42230880.
The previous prime is 68625259. The next prime is 68625299. The reversal of 68625297 is 79252686.
68625297 is a `hidden beast` number, since 68 + 62 + 529 + 7 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 54154881 = 3804^2 + 7359^2 .
It is not a de Polignac number, because 68625297 - 211 = 68623249 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68625299) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293154 + ... + 293387.
It is an arithmetic number, because the mean of its divisors is an integer number (8895887).
Almost surely, 268625297 is an apocalyptic number.
It is an amenable number.
68625297 is a deficient number, since it is larger than the sum of its proper divisors (38125347).
68625297 is a wasteful number, since it uses less digits than its factorization.
68625297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 586560 (or 586557 counting only the distinct ones).
The product of its digits is 362880, while the sum is 45.
The square root of 68625297 is about 8284.0386889488. The cubic root of 68625297 is about 409.4127961296.
The spelling of 68625297 in words is "sixty-eight million, six hundred twenty-five thousand, two hundred ninety-seven".
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