Base | Representation |
---|---|
bin | 11011011010111… |
… | …11010111000000 |
3 | 121000211200002211 |
4 | 31231133113000 |
5 | 432341404421 |
6 | 34454151504 |
7 | 5462132500 |
oct | 1555372700 |
9 | 530750084 |
10 | 230028736 |
11 | 108932aa3 |
12 | 65052594 |
13 | 3886c3a2 |
14 | 2279ba00 |
15 | 152db9e1 |
hex | db5f5c0 |
230028736 has 42 divisors (see below), whose sum is σ = 530995128. Its totient is φ = 98582400.
The previous prime is 230028703. The next prime is 230028739. The reversal of 230028736 is 637820032.
It is a junction number, because it is equal to n+sod(n) for n = 230028698 and 230028707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230028739) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33540 + ... + 39811.
Almost surely, 2230028736 is an apocalyptic number.
It is an amenable number.
230028736 is an abundant number, since it is smaller than the sum of its proper divisors (300966392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230028736 is an equidigital number, since it uses as much as digits as its factorization.
230028736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73377 (or 73360 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 31.
The square root of 230028736 is about 15166.6982563774. The cubic root of 230028736 is about 612.7180828858.
Adding to 230028736 its reverse (637820032), we get a palindrome (867848768).
The spelling of 230028736 in words is "two hundred thirty million, twenty-eight thousand, seven hundred thirty-six".
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