Base | Representation |
---|---|
bin | 111001011100… |
… | …0000010100011 |
3 | 2002122221120200 |
4 | 1302320002203 |
5 | 30202121310 |
6 | 2553240243 |
7 | 513651534 |
oct | 162700243 |
9 | 62587520 |
10 | 30113955 |
11 | 15aa9073 |
12 | a103083 |
13 | 6314b11 |
14 | 3ddc68b |
15 | 299c9c0 |
hex | 1cb80a3 |
30113955 has 24 divisors (see below), whose sum is σ = 54946320. Its totient is φ = 15215040.
The previous prime is 30113947. The next prime is 30113957. The reversal of 30113955 is 55931103.
It is not a de Polignac number, because 30113955 - 23 = 30113947 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30113957) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 16756 + ... + 18465.
It is an arithmetic number, because the mean of its divisors is an integer number (2289430).
Almost surely, 230113955 is an apocalyptic number.
30113955 is a deficient number, since it is larger than the sum of its proper divisors (24832365).
30113955 is a wasteful number, since it uses less digits than its factorization.
30113955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35251 (or 35248 counting only the distinct ones).
The product of its (nonzero) digits is 2025, while the sum is 27.
The square root of 30113955 is about 5487.6183358539. The cubic root of 30113955 is about 311.1161809217.
The spelling of 30113955 in words is "thirty million, one hundred thirteen thousand, nine hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •