Base | Representation |
---|---|
bin | 11011111010000… |
… | …10100010111100 |
3 | 121022111202201022 |
4 | 31331002202330 |
5 | 434412330040 |
6 | 35121403312 |
7 | 5541600632 |
oct | 1575024274 |
9 | 538452638 |
10 | 234105020 |
11 | 110167626 |
12 | 66499538 |
13 | 396688a6 |
14 | 2313d352 |
15 | 158446b5 |
hex | df428bc |
234105020 has 24 divisors (see below), whose sum is σ = 492706368. Its totient is φ = 93435200.
The previous prime is 234105019. The next prime is 234105037. The reversal of 234105020 is 20501432.
It is a self number, because there is not a number n which added to its sum of digits gives 234105020.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3476 + ... + 21915.
It is an arithmetic number, because the mean of its divisors is an integer number (20529432).
Almost surely, 2234105020 is an apocalyptic number.
234105020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
234105020 is an abundant number, since it is smaller than the sum of its proper divisors (258601348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234105020 is a wasteful number, since it uses less digits than its factorization.
234105020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25861 (or 25859 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 234105020 is about 15300.4908417998. The cubic root of 234105020 is about 616.3161888018.
Adding to 234105020 its reverse (20501432), we get a palindrome (254606452).
The spelling of 234105020 in words is "two hundred thirty-four million, one hundred five thousand, twenty".
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