Base | Representation |
---|---|
bin | 1000001101101… |
… | …11001000110111 |
3 | 11210122212102102 |
4 | 10012313020313 |
5 | 120120020300 |
6 | 10500532315 |
7 | 1464463502 |
oct | 406671067 |
9 | 153585372 |
10 | 68907575 |
11 | 35995310 |
12 | 1b0b109b |
13 | 11378519 |
14 | 921a139 |
15 | 60b20d5 |
hex | 41b7237 |
68907575 has 48 divisors (see below), whose sum is σ = 98565120. Its totient is φ = 47328000.
The previous prime is 68907551. The next prime is 68907589. The reversal of 68907575 is 57570986.
It is a happy number.
It is not a de Polignac number, because 68907575 - 218 = 68645431 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 502907 + ... + 503043.
It is an arithmetic number, because the mean of its divisors is an integer number (2053440).
Almost surely, 268907575 is an apocalyptic number.
68907575 is a deficient number, since it is larger than the sum of its proper divisors (29657545).
68907575 is a wasteful number, since it uses less digits than its factorization.
68907575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248 (or 243 counting only the distinct ones).
The product of its (nonzero) digits is 529200, while the sum is 47.
The square root of 68907575 is about 8301.0586674231. The cubic root of 68907575 is about 409.9733772124.
The spelling of 68907575 in words is "sixty-eight million, nine hundred seven thousand, five hundred seventy-five".
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