Base | Representation |
---|---|
bin | 1000001010001… |
… | …11101110011110 |
3 | 11202210200102202 |
4 | 10011013232132 |
5 | 120010414410 |
6 | 10443051502 |
7 | 1460553161 |
oct | 405075636 |
9 | 152720382 |
10 | 68451230 |
11 | 35703471 |
12 | 1ab10b92 |
13 | 112488b3 |
14 | 913bad8 |
15 | 6021ca5 |
hex | 4147b9e |
68451230 has 16 divisors (see below), whose sum is σ = 123727824. Its totient is φ = 27265920.
The previous prime is 68451203. The next prime is 68451239. The reversal of 68451230 is 3215486.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68451193 and 68451202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68451239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11792 + ... + 16611.
It is an arithmetic number, because the mean of its divisors is an integer number (7732989).
Almost surely, 268451230 is an apocalyptic number.
68451230 is a deficient number, since it is larger than the sum of its proper divisors (55276594).
68451230 is a wasteful number, since it uses less digits than its factorization.
68451230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28651.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 68451230 is about 8273.5258505670. The cubic root of 68451230 is about 409.0663466435.
The spelling of 68451230 in words is "sixty-eight million, four hundred fifty-one thousand, two hundred thirty".
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