Base | Representation |
---|---|
bin | 11011111010111… |
… | …00001101010100 |
3 | 121022201002220100 |
4 | 31331130031110 |
5 | 434424211012 |
6 | 35123534100 |
7 | 5542516242 |
oct | 1575341524 |
9 | 538632810 |
10 | 234210132 |
11 | 1102295a2 |
12 | 6652a330 |
13 | 396a46a0 |
14 | 23169792 |
15 | 158658dc |
hex | df5c354 |
234210132 has 72 divisors (see below), whose sum is σ = 641122664. Its totient is φ = 71663616.
The previous prime is 234210107. The next prime is 234210143. The reversal of 234210132 is 231012432.
It can be written as a sum of positive squares in 4 ways, for example, as 3048516 + 231161616 = 1746^2 + 15204^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89028 + ... + 91620.
Almost surely, 2234210132 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 234210132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320561332).
234210132 is an abundant number, since it is smaller than the sum of its proper divisors (406912532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234210132 is a wasteful number, since it uses less digits than its factorization.
234210132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2809 (or 2804 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 234210132 is about 15303.9253788040. The cubic root of 234210132 is about 616.4084159769.
Adding to 234210132 its reverse (231012432), we get a palindrome (465222564).
The spelling of 234210132 in words is "two hundred thirty-four million, two hundred ten thousand, one hundred thirty-two".
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