Base | Representation |
---|---|
bin | 11011111010110… |
… | …10000101100000 |
3 | 121022200122222102 |
4 | 31331122011200 |
5 | 434423421230 |
6 | 35123425532 |
7 | 5542452014 |
oct | 1575320540 |
9 | 538618872 |
10 | 234201440 |
11 | 110223010 |
12 | 665252a8 |
13 | 396a0745 |
14 | 23166544 |
15 | 15863045 |
hex | df5a160 |
234201440 has 48 divisors (see below), whose sum is σ = 603605520. Its totient is φ = 85163520.
The previous prime is 234201439. The next prime is 234201449. The reversal of 234201440 is 44102432.
234201440 is digitally balanced in base 2, 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 (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234201449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64775 + ... + 68294.
It is an arithmetic number, because the mean of its divisors is an integer number (12575115).
Almost surely, 2234201440 is an apocalyptic number.
234201440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
234201440 is an abundant number, since it is smaller than the sum of its proper divisors (369404080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234201440 is a wasteful number, since it uses less digits than its factorization.
234201440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133095 (or 133087 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 234201440 is about 15303.6413967395. The cubic root of 234201440 is about 616.4007905052.
Adding to 234201440 its reverse (44102432), we get a palindrome (278303872).
The spelling of 234201440 in words is "two hundred thirty-four million, two hundred one thousand, four hundred forty".
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