Base | Representation |
---|---|
bin | 11011101010010… |
… | …00001101000000 |
3 | 121011121101202020 |
4 | 31311020031000 |
5 | 433344443130 |
6 | 35005121440 |
7 | 5515142223 |
oct | 1565101500 |
9 | 534541666 |
10 | 232031040 |
11 | 109a8039a |
12 | 65859280 |
13 | 390c0897 |
14 | 22b5d5ba |
15 | 15584e10 |
hex | dd48340 |
232031040 has 112 divisors (see below), whose sum is σ = 775533120. Its totient is φ = 58613760.
The previous prime is 232031029. The next prime is 232031047. The reversal of 232031040 is 40130232.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232031047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11880 + ... + 24600.
Almost surely, 2232031040 is an apocalyptic number.
232031040 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 232031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387766560).
232031040 is an abundant number, since it is smaller than the sum of its proper divisors (543502080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
232031040 is a wasteful number, since it uses less digits than its factorization.
232031040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12760 (or 12750 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 232031040 is about 15232.5651155674. The cubic root of 232031040 is about 614.4907675686.
Adding to 232031040 its reverse (40130232), we get a palindrome (272161272).
The spelling of 232031040 in words is "two hundred thirty-two million, thirty-one thousand, forty".
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