Base | Representation |
---|---|
bin | 1000001011000… |
… | …00010111000101 |
3 | 11202222210211220 |
4 | 10011200113011 |
5 | 120022132013 |
6 | 10445150553 |
7 | 1461453306 |
oct | 405402705 |
9 | 152883756 |
10 | 68552133 |
11 | 35772261 |
12 | 1ab5b459 |
13 | 112827c0 |
14 | 91667ad |
15 | 6041b23 |
hex | 41605c5 |
68552133 has 32 divisors (see below), whose sum is σ = 105154560. Its totient is φ = 39372480.
The previous prime is 68552119. The next prime is 68552137. The reversal of 68552133 is 33125586.
It is a de Polignac number, because none of the positive numbers 2k-68552133 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68552094 and 68552103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68552137) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51960 + ... + 53262.
It is an arithmetic number, because the mean of its divisors is an integer number (3286080).
Almost surely, 268552133 is an apocalyptic number.
It is an amenable number.
68552133 is a deficient number, since it is larger than the sum of its proper divisors (36602427).
68552133 is a wasteful number, since it uses less digits than its factorization.
68552133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1409.
The product of its digits is 21600, while the sum is 33.
The square root of 68552133 is about 8279.6215493222. The cubic root of 68552133 is about 409.2672476193.
The spelling of 68552133 in words is "sixty-eight million, five hundred fifty-two thousand, one hundred thirty-three".
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