Base | Representation |
---|---|
bin | 11011011101000… |
… | …10101010010010 |
3 | 121001100200020200 |
4 | 31232202222102 |
5 | 432424220102 |
6 | 34504120030 |
7 | 5464361256 |
oct | 1556425222 |
9 | 531320220 |
10 | 230304402 |
11 | 109001119 |
12 | 65166016 |
13 | 389379c3 |
14 | 22830266 |
15 | 1534351c |
hex | dba2a92 |
230304402 has 48 divisors (see below), whose sum is σ = 509472600. Its totient is φ = 75168000.
The previous prime is 230304397. The next prime is 230304407. The reversal of 230304402 is 204403032.
230304402 is a `hidden beast` number, since 230 + 30 + 4 + 402 = 666.
230304402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (230304397) and next prime (230304407).
It can be written as a sum of positive squares in 4 ways, for example, as 197711721 + 32592681 = 14061^2 + 5709^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (230304407) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382902 + ... + 383502.
Almost surely, 2230304402 is an apocalyptic number.
230304402 is an abundant number, since it is smaller than the sum of its proper divisors (279168198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230304402 is a wasteful number, since it uses less digits than its factorization.
230304402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1019 (or 1016 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 230304402 is about 15175.7834064670. The cubic root of 230304402 is about 612.9627452395.
Adding to 230304402 its reverse (204403032), we get a palindrome (434707434).
The spelling of 230304402 in words is "two hundred thirty million, three hundred four thousand, four hundred two".
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