Base | Representation |
---|---|
bin | 11011100010101… |
… | …00110100100000 |
3 | 121002201202021011 |
4 | 31301110310200 |
5 | 433121043034 |
6 | 34531510304 |
7 | 5503520635 |
oct | 1561246440 |
9 | 532652234 |
10 | 231034144 |
11 | 10945a410 |
12 | 65458394 |
13 | 38b31bc3 |
14 | 2298018c |
15 | 15439864 |
hex | dc54d20 |
231034144 has 24 divisors (see below), whose sum is σ = 496199088. Its totient is φ = 105015360.
The previous prime is 231034099. The next prime is 231034151. The reversal of 231034144 is 441430132.
231034144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (22).
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, 327822 + ... + 328525.
It is an arithmetic number, because the mean of its divisors is an integer number (20674962).
Almost surely, 2231034144 is an apocalyptic number.
It is an amenable number.
231034144 is an abundant number, since it is smaller than the sum of its proper divisors (265164944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231034144 is a wasteful number, since it uses less digits than its factorization.
231034144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656368 (or 656360 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 231034144 is about 15199.8073672004. The cubic root of 231034144 is about 613.6094734288.
Adding to 231034144 its reverse (441430132), we get a palindrome (672464276).
The spelling of 231034144 in words is "two hundred thirty-one million, thirty-four thousand, one hundred forty-four".
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