Base | Representation |
---|---|
bin | 111010110100… |
… | …0010110001101 |
3 | 2011000122012010 |
4 | 1311220112031 |
5 | 30343223414 |
6 | 3020531433 |
7 | 523050123 |
oct | 165502615 |
9 | 64018163 |
10 | 30836109 |
11 | 16451697 |
12 | a3b0b79 |
13 | 6508725 |
14 | 4149913 |
15 | 2a91959 |
hex | 1d6858d |
30836109 has 4 divisors (see below), whose sum is σ = 41114816. Its totient is φ = 20557404.
The previous prime is 30836101. The next prime is 30836119. The reversal of 30836109 is 90163803.
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.
It is not a de Polignac number, because 30836109 - 23 = 30836101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30836101) 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 in 3 ways as a sum of consecutive naturals, for example, 5139349 + ... + 5139354.
It is an arithmetic number, because the mean of its divisors is an integer number (10278704).
Almost surely, 230836109 is an apocalyptic number.
It is an amenable number.
30836109 is a deficient number, since it is larger than the sum of its proper divisors (10278707).
30836109 is a wasteful number, since it uses less digits than its factorization.
30836109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10278706.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 30836109 is about 5553.0270123600. The cubic root of 30836109 is about 313.5834910625.
The spelling of 30836109 in words is "thirty million, eight hundred thirty-six thousand, one hundred nine".
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