Base | Representation |
---|---|
bin | 11011111010010… |
… | …01001010101100 |
3 | 121022120010220202 |
4 | 31331021022230 |
5 | 434414212030 |
6 | 35122133032 |
7 | 5542042664 |
oct | 1575111254 |
9 | 538503822 |
10 | 234132140 |
11 | 110185a40 |
12 | 664b1178 |
13 | 39678038 |
14 | 231491a4 |
15 | 1584c745 |
hex | df492ac |
234132140 has 96 divisors (see below), whose sum is σ = 557057088. Its totient is φ = 81920000.
The previous prime is 234132139. The next prime is 234132169. The reversal of 234132140 is 41231432.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910892 + ... + 911148.
It is an arithmetic number, because the mean of its divisors is an integer number (5802678).
Almost surely, 2234132140 is an apocalyptic number.
234132140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 234132140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278528544).
234132140 is an abundant number, since it is smaller than the sum of its proper divisors (322924948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234132140 is a wasteful number, since it uses less digits than its factorization.
234132140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 419 (or 417 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 234132140 is about 15301.3770622124. The cubic root of 234132140 is about 616.3399870237.
Adding to 234132140 its reverse (41231432), we get a palindrome (275363572).
The spelling of 234132140 in words is "two hundred thirty-four million, one hundred thirty-two thousand, one hundred forty".
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