Base | Representation |
---|---|
bin | 111001011010… |
… | …0111011010000 |
3 | 2002122022002021 |
4 | 1302310323100 |
5 | 30201214300 |
6 | 2553101224 |
7 | 513566413 |
oct | 162647320 |
9 | 62568067 |
10 | 30101200 |
11 | 15a9a528 |
12 | a0b7814 |
13 | 630c07c |
14 | 3dd7b7a |
15 | 2998d1a |
hex | 1cb4ed0 |
30101200 has 30 divisors (see below), whose sum is σ = 72319094. Its totient is φ = 12040320.
The previous prime is 30101189. The next prime is 30101221. The reversal of 30101200 is 210103.
It can be written as a sum of positive squares in 3 ways, for example, as 3640464 + 26460736 = 1908^2 + 5144^2 .
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 37227 + ... + 38026.
Almost surely, 230101200 is an apocalyptic number.
It is an amenable number.
30101200 is an abundant number, since it is smaller than the sum of its proper divisors (42217894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30101200 is a wasteful number, since it uses less digits than its factorization.
30101200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75271 (or 75260 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 30101200 is about 5486.4560510406. The cubic root of 30101200 is about 311.0722494921.
Adding to 30101200 its reverse (210103), we get a palindrome (30311303).
The spelling of 30101200 in words is "thirty million, one hundred one thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •