Base | Representation |
---|---|
bin | 11001000011011… |
… | …00111001001110 |
3 | 112122110022000021 |
4 | 30201230321032 |
5 | 412300124410 |
6 | 32504252354 |
7 | 5131224646 |
oct | 1441547116 |
9 | 478408007 |
10 | 210161230 |
11 | a86a3274 |
12 | 5a4710ba |
13 | 34704376 |
14 | 1dca9526 |
15 | 136b4eda |
hex | c86ce4e |
210161230 has 8 divisors (see below), whose sum is σ = 378290232. Its totient is φ = 84064488.
The previous prime is 210161227. The next prime is 210161239. The reversal of 210161230 is 32161012.
210161230 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2101612302 = 88335485190225800, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210161239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10508052 + ... + 10508071.
It is an arithmetic number, because the mean of its divisors is an integer number (47286279).
Almost surely, 2210161230 is an apocalyptic number.
210161230 is a deficient number, since it is larger than the sum of its proper divisors (168129002).
210161230 is a wasteful number, since it uses less digits than its factorization.
210161230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21016130.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 210161230 is about 14496.9386423479. The cubic root of 210161230 is about 594.5442735910.
The spelling of 210161230 in words is "two hundred ten million, one hundred sixty-one thousand, two hundred thirty".
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