Base | Representation |
---|---|
bin | 1000001100100… |
… | …01111111001001 |
3 | 11210101010200100 |
4 | 10012101333021 |
5 | 120100133101 |
6 | 10453400013 |
7 | 1463261031 |
oct | 406217711 |
9 | 153333610 |
10 | 68755401 |
11 | 358a0a50 |
12 | 1b039009 |
13 | 11324190 |
14 | 91ba8c1 |
15 | 6081e86 |
hex | 4191fc9 |
68755401 has 48 divisors (see below), whose sum is σ = 119613312. Its totient is φ = 37497600.
The previous prime is 68755381. The next prime is 68755411. The reversal of 68755401 is 10455786.
68755401 is a nontrivial binomial coefficient, being equal to C(11727, 2).
It is not a de Polignac number, because 68755401 - 222 = 64561097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68755411) 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 47 ways as a sum of consecutive naturals, for example, 52116 + ... + 53418.
It is an arithmetic number, because the mean of its divisors is an integer number (2491944).
Almost surely, 268755401 is an apocalyptic number.
68755401 is the 11726-th triangular number.
It is an amenable number.
68755401 is a deficient number, since it is larger than the sum of its proper divisors (50857911).
68755401 is a wasteful number, since it uses less digits than its factorization.
68755401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1374 (or 1371 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 68755401 is about 8291.8876620466. The cubic root of 68755401 is about 409.6713626659.
The spelling of 68755401 in words is "sixty-eight million, seven hundred fifty-five thousand, four hundred one".
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