Base | Representation |
---|---|
bin | 111001100000… |
… | …1111000111100 |
3 | 2002201222220221 |
4 | 1303001320330 |
5 | 30204414200 |
6 | 2554151124 |
7 | 514210261 |
oct | 163017074 |
9 | 62658827 |
10 | 30154300 |
11 | 16026410 |
12 | a1224a4 |
13 | 632a2a7 |
14 | 400d268 |
15 | 29a991a |
hex | 1cc1e3c |
30154300 has 72 divisors (see below), whose sum is σ = 72495360. Its totient is φ = 10795200.
The previous prime is 30154291. The next prime is 30154301. The reversal of 30154300 is 345103.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30154301) 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 23 ways as a sum of consecutive naturals, for example, 86727 + ... + 87073.
It is an arithmetic number, because the mean of its divisors is an integer number (1006880).
Almost surely, 230154300 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30154300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36247680).
30154300 is an abundant number, since it is smaller than the sum of its proper divisors (42341060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30154300 is a wasteful number, since it uses less digits than its factorization.
30154300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 451 (or 444 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 30154300 is about 5491.2931081850. The cubic root of 30154300 is about 311.2550576319.
Adding to 30154300 its reverse (345103), we get a palindrome (30499403).
The spelling of 30154300 in words is "thirty million, one hundred fifty-four thousand, three hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •