Base | Representation |
---|---|
bin | 1000001011001… |
… | …00100100011011 |
3 | 11210000200111100 |
4 | 10011210210123 |
5 | 120023204441 |
6 | 10445402443 |
7 | 1461554463 |
oct | 405444433 |
9 | 153020440 |
10 | 68569371 |
11 | 35784202 |
12 | 1ab69423 |
13 | 1128a5c0 |
14 | 916cba3 |
15 | 6046cb6 |
hex | 416491b |
68569371 has 48 divisors (see below), whose sum is σ = 113008896. Its totient is φ = 39745728.
The previous prime is 68569367. The next prime is 68569379. The reversal of 68569371 is 17396586.
It is a happy number.
It is not a de Polignac number, because 68569371 - 22 = 68569367 is a prime.
Its product of digits (272160) is a multiple of the sum of its prime factors (432).
It is not an unprimeable number, because it can be changed into a prime (68569379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223200 + ... + 223506.
It is an arithmetic number, because the mean of its divisors is an integer number (2354352).
Almost surely, 268569371 is an apocalyptic number.
68569371 is a deficient number, since it is larger than the sum of its proper divisors (44439525).
68569371 is a wasteful number, since it uses less digits than its factorization.
68569371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432 (or 429 counting only the distinct ones).
The product of its digits is 272160, while the sum is 45.
The square root of 68569371 is about 8280.6624734981. The cubic root of 68569371 is about 409.3015492874.
The spelling of 68569371 in words is "sixty-eight million, five hundred sixty-nine thousand, three hundred seventy-one".
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