Base | Representation |
---|---|
bin | 1000001011001… |
… | …01010100000110 |
3 | 11210000211200100 |
4 | 10011211110012 |
5 | 120023304142 |
6 | 10445424530 |
7 | 1461566412 |
oct | 405452406 |
9 | 153024610 |
10 | 68572422 |
11 | 35786526 |
12 | 1ab6b146 |
13 | 1128bac9 |
14 | 916dd42 |
15 | 6047b4c |
hex | 4165506 |
68572422 has 24 divisors (see below), whose sum is σ = 149563440. Its totient is φ = 22705200.
The previous prime is 68572421. The next prime is 68572429. The reversal of 68572422 is 22427586.
68572422 is a `hidden beast` number, since 68 + 572 + 4 + 22 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68572421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9897 + ... + 15332.
It is an arithmetic number, because the mean of its divisors is an integer number (6231810).
Almost surely, 268572422 is an apocalyptic number.
68572422 is an abundant number, since it is smaller than the sum of its proper divisors (80991018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68572422 is a wasteful number, since it uses less digits than its factorization.
68572422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25388 (or 25385 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 68572422 is about 8280.8466958397. The cubic root of 68572422 is about 409.3076198331.
The spelling of 68572422 in words is "sixty-eight million, five hundred seventy-two thousand, four hundred twenty-two".
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