Base | Representation |
---|---|
bin | 101011111011… |
… | …0101010001010 |
3 | 1121100001210011 |
4 | 1113312222022 |
5 | 21343433120 |
6 | 2141342134 |
7 | 366520024 |
oct | 127665212 |
9 | 47301704 |
10 | 23030410 |
11 | 120000a7 |
12 | 786794a |
13 | 4a04880 |
14 | 30b7014 |
15 | 204dc5a |
hex | 15f6a8a |
23030410 has 48 divisors (see below), whose sum is σ = 47501496. Its totient is φ = 7990272.
The previous prime is 23030407. The next prime is 23030411. The reversal of 23030410 is 1403032.
It can be written as a sum of positive squares in 12 ways, for example, as 76729 + 22953681 = 277^2 + 4791^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (23030411) 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, 37264 + ... + 37876.
Almost surely, 223030410 is an apocalyptic number.
23030410 is an abundant number, since it is smaller than the sum of its proper divisors (24471086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23030410 is a wasteful number, since it uses less digits than its factorization.
23030410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 667 (or 650 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 23030410 is about 4799.0009376953. Note that the first 3 decimals coincide. The cubic root of 23030410 is about 284.5119790114.
Adding to 23030410 its reverse (1403032), we get a palindrome (24433442).
The spelling of 23030410 in words is "twenty-three million, thirty thousand, four hundred ten".
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