Base | Representation |
---|---|
bin | 1000001001011… |
… | …01010111010110 |
3 | 11202121012022122 |
4 | 10010231113112 |
5 | 114443441004 |
6 | 10440455542 |
7 | 1456623320 |
oct | 404552726 |
9 | 152535278 |
10 | 68343254 |
11 | 3563a331 |
12 | 1aa7a5b2 |
13 | 1120b6c5 |
14 | 9110610 |
15 | 5eeecbe |
hex | 412d5d6 |
68343254 has 32 divisors (see below), whose sum is σ = 121118976. Its totient is φ = 28314720.
The previous prime is 68343229. The next prime is 68343259. The reversal of 68343254 is 45234386.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68343259) 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 15 ways as a sum of consecutive naturals, for example, 63884 + ... + 64944.
It is an arithmetic number, because the mean of its divisors is an integer number (3784968).
Almost surely, 268343254 is an apocalyptic number.
68343254 is a deficient number, since it is larger than the sum of its proper divisors (52775722).
68343254 is a wasteful number, since it uses less digits than its factorization.
68343254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1220.
The product of its digits is 69120, while the sum is 35.
The square root of 68343254 is about 8266.9978831496. The cubic root of 68343254 is about 408.8511443129.
Adding to 68343254 its sum of digits (35), we get a square (68343289 = 82672).
The spelling of 68343254 in words is "sixty-eight million, three hundred forty-three thousand, two hundred fifty-four".
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