Base | Representation |
---|---|
bin | 11001101011100… |
… | …10010010110110 |
3 | 120000100210020021 |
4 | 30311302102312 |
5 | 420122114410 |
6 | 33213155354 |
7 | 5224043545 |
oct | 1465622266 |
9 | 500323207 |
10 | 215426230 |
11 | 100669a08 |
12 | 6018bb5a |
13 | 35828956 |
14 | 2087a15c |
15 | 13da4eda |
hex | cd724b6 |
215426230 has 8 divisors (see below), whose sum is σ = 387767232. Its totient is φ = 86170488.
The previous prime is 215426201. The next prime is 215426243. The reversal of 215426230 is 32624512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 215426195 and 215426204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10771302 + ... + 10771321.
It is an arithmetic number, because the mean of its divisors is an integer number (48470904).
Almost surely, 2215426230 is an apocalyptic number.
215426230 is a deficient number, since it is larger than the sum of its proper divisors (172341002).
215426230 is a wasteful number, since it uses less digits than its factorization.
215426230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21542630.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 215426230 is about 14677.4054246655. The cubic root of 215426230 is about 599.4682603756.
It can be divided in two parts, 21542 and 6230, that added together give a palindrome (27772).
The spelling of 215426230 in words is "two hundred fifteen million, four hundred twenty-six thousand, two hundred thirty".
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