Base | Representation |
---|---|
bin | 101011111011… |
… | …0100101001010 |
3 | 1121100001100022 |
4 | 1113312211022 |
5 | 21343430330 |
6 | 2141340442 |
7 | 366516056 |
oct | 127664512 |
9 | 47301308 |
10 | 23030090 |
11 | 11aaa936 |
12 | 7867722 |
13 | 4a04695 |
14 | 30b6c66 |
15 | 204dae5 |
hex | 15f694a |
23030090 has 32 divisors (see below), whose sum is σ = 44478720. Its totient is φ = 8558784.
The previous prime is 23030081. The next prime is 23030099. The reversal of 23030090 is 9003032.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (23030081) and next prime (23030099).
Together with 21448630 it forms an amicable pair .
It is not an unprimeable number, because it can be changed into a prime (23030099) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8927 + ... + 11213.
It is an arithmetic number, because the mean of its divisors is an integer number (1389960).
Almost surely, 223030090 is an apocalyptic number.
23030090 is a deficient number, since it is larger than the sum of its proper divisors (21448630).
23030090 is a wasteful number, since it uses less digits than its factorization.
23030090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2366.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 23030090 is about 4798.9675973067. The cubic root of 23030090 is about 284.5106612717.
The spelling of 23030090 in words is "twenty-three million, thirty thousand, ninety".
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