Base | Representation |
---|---|
bin | 111001010000… |
… | …1110101111111 |
3 | 2002111022212102 |
4 | 1302201311333 |
5 | 30141214124 |
6 | 2551255315 |
7 | 513122504 |
oct | 162416577 |
9 | 62438772 |
10 | 30023039 |
11 | 15a46832 |
12 | a07a53b |
13 | 62b2617 |
14 | 3db74ab |
15 | 2980aae |
hex | 1ca1d7f |
30023039 has 2 divisors, whose sum is σ = 30023040. Its totient is φ = 30023038.
The previous prime is 30023017. The next prime is 30023047. The reversal of 30023039 is 93032003.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30023039 - 216 = 29957503 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30023039.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30023089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011519 + 15011520.
It is an arithmetic number, because the mean of its divisors is an integer number (15011520).
Almost surely, 230023039 is an apocalyptic number.
30023039 is a deficient number, since it is larger than the sum of its proper divisors (1).
30023039 is an equidigital number, since it uses as much as digits as its factorization.
30023039 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 486, while the sum is 20.
The square root of 30023039 is about 5479.3283347505. The cubic root of 30023039 is about 310.8027719419.
The spelling of 30023039 in words is "thirty million, twenty-three thousand, thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •