Base | Representation |
---|---|
bin | 111001010111… |
… | …1000000010001 |
3 | 2002121001210221 |
4 | 1302233000101 |
5 | 30144430240 |
6 | 2552353041 |
7 | 513435613 |
oct | 162570021 |
9 | 62531727 |
10 | 30076945 |
11 | 15a83288 |
12 | a0a5781 |
13 | 6301012 |
14 | 3dccdb3 |
15 | 2991a4a |
hex | 1caf011 |
30076945 has 16 divisors (see below), whose sum is σ = 37179648. Its totient is φ = 23345920.
The previous prime is 30076931. The next prime is 30076987. The reversal of 30076945 is 54967003.
It is not a de Polignac number, because 30076945 - 217 = 29945873 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30076945.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30297 + ... + 31273.
It is an arithmetic number, because the mean of its divisors is an integer number (2323728).
Almost surely, 230076945 is an apocalyptic number.
It is an amenable number.
30076945 is a deficient number, since it is larger than the sum of its proper divisors (7102703).
30076945 is a wasteful number, since it uses less digits than its factorization.
30076945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160.
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 30076945 is about 5484.2451622808. The cubic root of 30076945 is about 310.9886749184.
The spelling of 30076945 in words is "thirty million, seventy-six thousand, nine hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •