Base | Representation |
---|---|
bin | 11011111011001… |
… | …00000111001001 |
3 | 121022202202022100 |
4 | 31331210013021 |
5 | 434431230010 |
6 | 35124344013 |
7 | 5543012520 |
oct | 1575440711 |
9 | 538682270 |
10 | 234242505 |
11 | 110250952 |
12 | 66545009 |
13 | 396b6343 |
14 | 231774b7 |
15 | 158702c0 |
hex | df641c9 |
234242505 has 48 divisors (see below), whose sum is σ = 469946880. Its totient is φ = 105715584.
The previous prime is 234242467. The next prime is 234242509. The reversal of 234242505 is 505242432.
It is a happy number.
234242505 is a `hidden beast` number, since 234 + 2 + 425 + 0 + 5 = 666.
It is not a de Polignac number, because 234242505 - 26 = 234242441 is a prime.
It is a super-2 number, since 2×2342425052 = 109739102297350050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (234242509) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20179 + ... + 29591.
It is an arithmetic number, because the mean of its divisors is an integer number (9790560).
Almost surely, 2234242505 is an apocalyptic number.
It is an amenable number.
234242505 is an abundant number, since it is smaller than the sum of its proper divisors (235704375).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234242505 is a wasteful number, since it uses less digits than its factorization.
234242505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9510 (or 9507 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 27.
The square root of 234242505 is about 15304.9830120781. The cubic root of 234242505 is about 616.4368150761.
Adding to 234242505 its reverse (505242432), we get a palindrome (739484937).
The spelling of 234242505 in words is "two hundred thirty-four million, two hundred forty-two thousand, five hundred five".
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