Base | Representation |
---|---|
bin | 11011011010110… |
… | …11000001111010 |
3 | 121000210202210000 |
4 | 31231123001322 |
5 | 432340323002 |
6 | 34453533430 |
7 | 5462030004 |
oct | 1555330172 |
9 | 530722700 |
10 | 230011002 |
11 | 108920741 |
12 | 65044276 |
13 | 388642b0 |
14 | 22795374 |
15 | 152d661c |
hex | db5b07a |
230011002 has 80 divisors (see below), whose sum is σ = 559528200. Its totient is φ = 70201728.
The previous prime is 230010983. The next prime is 230011009. The reversal of 230011002 is 200110032.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 179586801 + 50424201 = 13401^2 + 7101^2 .
It is a super-2 number, since 2×2300110022 = 105810122082088008, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (230011009) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 313428 + ... + 314160.
Almost surely, 2230011002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230011002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279764100).
230011002 is an abundant number, since it is smaller than the sum of its proper divisors (329517198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230011002 is a wasteful number, since it uses less digits than its factorization.
230011002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909 (or 900 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 230011002 is about 15166.1136089639. The cubic root of 230011002 is about 612.7023367057.
Adding to 230011002 its reverse (200110032), we get a palindrome (430121034).
The spelling of 230011002 in words is "two hundred thirty million, eleven thousand, two".
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