Base | Representation |
---|---|
bin | 1000001100000… |
… | …10110111100011 |
3 | 11210020222201210 |
4 | 10012002313203 |
5 | 120041142400 |
6 | 10452201203 |
7 | 1462612344 |
oct | 406026743 |
9 | 153228653 |
10 | 68693475 |
11 | 35859474 |
12 | 1b009203 |
13 | 11301c36 |
14 | 91a20cb |
15 | 606d950 |
hex | 4182de3 |
68693475 has 24 divisors (see below), whose sum is σ = 113850352. Its totient is φ = 36547200.
The previous prime is 68693473. The next prime is 68693483. The reversal of 68693475 is 57439686.
It is not a de Polignac number, because 68693475 - 21 = 68693473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68693473) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39729 + ... + 41421.
Almost surely, 268693475 is an apocalyptic number.
68693475 is a deficient number, since it is larger than the sum of its proper divisors (45156877).
68693475 is a wasteful number, since it uses less digits than its factorization.
68693475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2247 (or 2242 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 48.
The square root of 68693475 is about 8288.1526892306. The cubic root of 68693475 is about 409.5483326750.
The spelling of 68693475 in words is "sixty-eight million, six hundred ninety-three thousand, four hundred seventy-five".
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