Base | Representation |
---|---|
bin | 1000001100010… |
… | …10111000100110 |
3 | 11210022122202220 |
4 | 10012022320212 |
5 | 120043220220 |
6 | 10453013210 |
7 | 1463110152 |
oct | 406127046 |
9 | 153278686 |
10 | 68726310 |
11 | 35881104 |
12 | 1b024206 |
13 | 11313b73 |
14 | 91b0062 |
15 | 6078540 |
hex | 418ae26 |
68726310 has 32 divisors (see below), whose sum is σ = 165618432. Its totient is φ = 18252000.
The previous prime is 68726309. The next prime is 68726311. The reversal of 68726310 is 1362786.
It is an interprime number because it is at equal distance from previous prime (68726309) and next prime (68726311).
It is a super-2 number, since 2×687263102 = 9446611372432200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68726311) 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 15 ways as a sum of consecutive naturals, for example, 2967 + ... + 12093.
It is an arithmetic number, because the mean of its divisors is an integer number (5175576).
Almost surely, 268726310 is an apocalyptic number.
68726310 is an abundant number, since it is smaller than the sum of its proper divisors (96892122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68726310 is a wasteful number, since it uses less digits than its factorization.
68726310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9388.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 68726310 is about 8290.1332920527. The cubic root of 68726310 is about 409.6135760258.
The spelling of 68726310 in words is "sixty-eight million, seven hundred twenty-six thousand, three hundred ten".
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