Base | Representation |
---|---|
bin | 1000001100100… |
… | …01011010010111 |
3 | 11210101000110011 |
4 | 10012101122113 |
5 | 120100044142 |
6 | 10453341051 |
7 | 1463251126 |
oct | 406213227 |
9 | 153330404 |
10 | 68753047 |
11 | 3589a200 |
12 | 1b037787 |
13 | 1132309c |
14 | 91b9abd |
15 | 6081417 |
hex | 4191697 |
68753047 has 6 divisors (see below), whose sum is σ = 75571664. Its totient is φ = 62502660.
The previous prime is 68753021. The next prime is 68753051. The reversal of 68753047 is 74035786.
It is not a de Polignac number, because 68753047 - 211 = 68750999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68753017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283983 + ... + 284224.
Almost surely, 268753047 is an apocalyptic number.
68753047 is a deficient number, since it is larger than the sum of its proper divisors (6818617).
68753047 is a wasteful number, since it uses less digits than its factorization.
68753047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 568229 (or 568218 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 68753047 is about 8291.7457148661. The cubic root of 68753047 is about 409.6666872640. Note that the first 4 decimals are identical.
The spelling of 68753047 in words is "sixty-eight million, seven hundred fifty-three thousand, forty-seven".
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