Base | Representation |
---|---|
bin | 111001010000… |
… | …1110110001011 |
3 | 2002111022212212 |
4 | 1302201312023 |
5 | 30141214201 |
6 | 2551255335 |
7 | 513122522 |
oct | 162416613 |
9 | 62438785 |
10 | 30023051 |
11 | 15a46843 |
12 | a07a54b |
13 | 62b2626 |
14 | 3db74b9 |
15 | 2980abb |
hex | 1ca1d8b |
30023051 has 2 divisors, whose sum is σ = 30023052. Its totient is φ = 30023050.
The previous prime is 30023047. The next prime is 30023087. The reversal of 30023051 is 15032003.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30023051 - 22 = 30023047 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30023251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011525 + 15011526.
It is an arithmetic number, because the mean of its divisors is an integer number (15011526).
Almost surely, 230023051 is an apocalyptic number.
30023051 is a deficient number, since it is larger than the sum of its proper divisors (1).
30023051 is an equidigital number, since it uses as much as digits as its factorization.
30023051 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 90, while the sum is 14.
The square root of 30023051 is about 5479.3294297751. The cubic root of 30023051 is about 310.8028133505.
Adding to 30023051 its reverse (15032003), we get a palindrome (45055054).
The spelling of 30023051 in words is "thirty million, twenty-three thousand, fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.156 sec. • engine limits •