Base | Representation |
---|---|
bin | 11011100010110… |
… | …11011011011110 |
3 | 121002210010101202 |
4 | 31301123123132 |
5 | 433122424324 |
6 | 34532235502 |
7 | 5503662566 |
oct | 1561333336 |
9 | 532703352 |
10 | 231061214 |
11 | 10947878a |
12 | 6546bb92 |
13 | 38b41317 |
14 | 22989da6 |
15 | 154428ae |
hex | dc5b6de |
231061214 has 8 divisors (see below), whose sum is σ = 346786608. Its totient is φ = 115465680.
The previous prime is 231061213. The next prime is 231061249. The reversal of 231061214 is 412160132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231061211) 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, 27887 + ... + 35210.
It is an arithmetic number, because the mean of its divisors is an integer number (43348326).
Almost surely, 2231061214 is an apocalyptic number.
231061214 is a deficient number, since it is larger than the sum of its proper divisors (115725394).
231061214 is a wasteful number, since it uses less digits than its factorization.
231061214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64930.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 231061214 is about 15200.6978129295. The cubic root of 231061214 is about 613.6334377939.
The spelling of 231061214 in words is "two hundred thirty-one million, sixty-one thousand, two hundred fourteen".
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