Base | Representation |
---|---|
bin | 1000001010110… |
… | …11110101000111 |
3 | 11202221212101120 |
4 | 10011123311013 |
5 | 120021033300 |
6 | 10444525023 |
7 | 1461345225 |
oct | 405336507 |
9 | 152855346 |
10 | 68533575 |
11 | 3575a320 |
12 | 1ab50773 |
13 | 11277216 |
14 | 915db15 |
15 | 603b3a0 |
hex | 415bd47 |
68533575 has 24 divisors (see below), whose sum is σ = 123611136. Its totient is φ = 33228000.
The previous prime is 68533571. The next prime is 68533601. The reversal of 68533575 is 57533586.
It is not a de Polignac number, because 68533575 - 22 = 68533571 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68533571) 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, 40711 + ... + 42360.
It is an arithmetic number, because the mean of its divisors is an integer number (5150464).
Almost surely, 268533575 is an apocalyptic number.
68533575 is a deficient number, since it is larger than the sum of its proper divisors (55077561).
68533575 is a wasteful number, since it uses less digits than its factorization.
68533575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83095 (or 83090 counting only the distinct ones).
The product of its digits is 378000, while the sum is 42.
The square root of 68533575 is about 8278.5007700670. The cubic root of 68533575 is about 409.2303128723.
The spelling of 68533575 in words is "sixty-eight million, five hundred thirty-three thousand, five hundred seventy-five".
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