Base | Representation |
---|---|
bin | 1000001001011… |
… | …11011000100101 |
3 | 11202121121122222 |
4 | 10010233120211 |
5 | 114444222100 |
6 | 10441002125 |
7 | 1456656404 |
oct | 404573045 |
9 | 152547588 |
10 | 68351525 |
11 | 35645570 |
12 | 1aa83345 |
13 | 112123b8 |
14 | 911363b |
15 | 6002485 |
hex | 412f625 |
68351525 has 24 divisors (see below), whose sum is σ = 93000000. Its totient is φ = 49420800.
The previous prime is 68351519. The next prime is 68351557. The reversal of 68351525 is 52515386.
It is not a de Polignac number, because 68351525 - 210 = 68350501 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54101 + ... + 55349.
It is an arithmetic number, because the mean of its divisors is an integer number (3875000).
Almost surely, 268351525 is an apocalyptic number.
It is an amenable number.
68351525 is a deficient number, since it is larger than the sum of its proper divisors (24648475).
68351525 is a wasteful number, since it uses less digits than its factorization.
68351525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1469 (or 1464 counting only the distinct ones).
The product of its digits is 36000, while the sum is 35.
The square root of 68351525 is about 8267.4981100693. The cubic root of 68351525 is about 408.8676369010.
The spelling of 68351525 in words is "sixty-eight million, three hundred fifty-one thousand, five hundred twenty-five".
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