Base | Representation |
---|---|
bin | 101011110111… |
… | …1100110111010 |
3 | 1121021121011112 |
4 | 1113233212322 |
5 | 21342022110 |
6 | 2141000322 |
7 | 366336566 |
oct | 127574672 |
9 | 47247145 |
10 | 23001530 |
11 | 11a90432 |
12 | 78530a2 |
13 | 49c4696 |
14 | 30aa6a6 |
15 | 2045405 |
hex | 15ef9ba |
23001530 has 8 divisors (see below), whose sum is σ = 41402772. Its totient is φ = 9200608.
The previous prime is 23001509. The next prime is 23001551. The reversal of 23001530 is 3510032.
It is an interprime number because it is at equal distance from previous prime (23001509) and next prime (23001551).
It can be written as a sum of positive squares in 2 ways, for example, as 20620681 + 2380849 = 4541^2 + 1543^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150067 + ... + 1150086.
Almost surely, 223001530 is an apocalyptic number.
23001530 is a deficient number, since it is larger than the sum of its proper divisors (18401242).
23001530 is a wasteful number, since it uses less digits than its factorization.
23001530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2300160.
The product of its (nonzero) digits is 90, while the sum is 14.
The square root of 23001530 is about 4795.9910341868. The cubic root of 23001530 is about 284.3930038112.
Adding to 23001530 its reverse (3510032), we get a palindrome (26511562).
The spelling of 23001530 in words is "twenty-three million, one thousand, five hundred thirty".
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