Base | Representation |
---|---|
bin | 10001111000100… |
… | …001100011001001 |
3 | 202220120002222220 |
4 | 101320201203021 |
5 | 1103301431103 |
6 | 45434404253 |
7 | 10302133323 |
oct | 2170414311 |
9 | 686502886 |
10 | 300030153 |
11 | 1443a5105 |
12 | 84590689 |
13 | 4a20b747 |
14 | 2bbc0613 |
15 | 1b517c53 |
hex | 11e218c9 |
300030153 has 4 divisors (see below), whose sum is σ = 400040208. Its totient is φ = 200020100.
The previous prime is 300030149. The next prime is 300030173. The reversal of 300030153 is 351030003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351030003 = 3 ⋅117010001.
It is a cyclic number.
It is not a de Polignac number, because 300030153 - 22 = 300030149 is a prime.
It is not an unprimeable number, because it can be changed into a prime (300030113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50005023 + ... + 50005028.
It is an arithmetic number, because the mean of its divisors is an integer number (100010052).
Almost surely, 2300030153 is an apocalyptic number.
It is an amenable number.
300030153 is a deficient number, since it is larger than the sum of its proper divisors (100010055).
300030153 is a wasteful number, since it uses less digits than its factorization.
300030153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100010054.
The product of its (nonzero) digits is 135, while the sum is 15.
The square root of 300030153 is about 17321.3784959512. The cubic root of 300030153 is about 669.4553775661.
Adding to 300030153 its reverse (351030003), we get a palindrome (651060156).
It can be divided in two parts, 3000 and 30153, that added together give a triangular number (33153 = T257).
The spelling of 300030153 in words is "three hundred million, thirty thousand, one hundred fifty-three".
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