Base | Representation |
---|---|
bin | 11011100010111… |
… | …00110111110000 |
3 | 121002210102111111 |
4 | 31301130313300 |
5 | 433123121440 |
6 | 34532323104 |
7 | 5504016034 |
oct | 1561346760 |
9 | 532712444 |
10 | 231067120 |
11 | 109482169 |
12 | 65473494 |
13 | 38b43c0b |
14 | 2298c1c4 |
15 | 154444ea |
hex | dc5cdf0 |
231067120 has 20 divisors (see below), whose sum is σ = 537231240. Its totient is φ = 92426816.
The previous prime is 231067097. The next prime is 231067139. The reversal of 231067120 is 21760132.
It is a tau number, because it is divible by the number of its divisors (20).
It is a junction number, because it is equal to n+sod(n) for n = 231067091 and 231067100.
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, 1444090 + ... + 1444249.
It is an arithmetic number, because the mean of its divisors is an integer number (26861562).
Almost surely, 2231067120 is an apocalyptic number.
231067120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231067120 is an abundant number, since it is smaller than the sum of its proper divisors (306164120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231067120 is a wasteful number, since it uses less digits than its factorization.
231067120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2888352 (or 2888346 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 231067120 is about 15200.8920790854. The cubic root of 231067120 is about 613.6386659730.
The spelling of 231067120 in words is "two hundred thirty-one million, sixty-seven thousand, one hundred twenty".
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