Base | Representation |
---|---|
bin | 1000001011010… |
… | …11000011011010 |
3 | 11210002000221000 |
4 | 10011223003122 |
5 | 120030032210 |
6 | 10450125430 |
7 | 1462025064 |
oct | 405530332 |
9 | 153060830 |
10 | 68595930 |
11 | 357a2157 |
12 | 1ab80876 |
13 | 11299710 |
14 | 9178734 |
15 | 604eac0 |
hex | 416b0da |
68595930 has 64 divisors (see below), whose sum is σ = 197003520. Its totient is φ = 16884288.
The previous prime is 68595929. The next prime is 68595953. The reversal of 68595930 is 3959586.
68595930 is a `hidden beast` number, since 6 + 8 + 59 + 593 + 0 = 666.
It is a super-2 number, since 2×685959302 = 9410803225129800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6262 + ... + 13281.
It is an arithmetic number, because the mean of its divisors is an integer number (3078180).
Almost surely, 268595930 is an apocalyptic number.
68595930 is an abundant number, since it is smaller than the sum of its proper divisors (128407590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68595930 is a wasteful number, since it uses less digits than its factorization.
68595930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19572 (or 19566 counting only the distinct ones).
The product of its (nonzero) digits is 291600, while the sum is 45.
The square root of 68595930 is about 8282.2659942796. The cubic root of 68595930 is about 409.3543874399.
The spelling of 68595930 in words is "sixty-eight million, five hundred ninety-five thousand, nine hundred thirty".
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