Base | Representation |
---|---|
bin | 111001010100… |
… | …0110111110000 |
3 | 2002112210100112 |
4 | 1302220313300 |
5 | 30143124244 |
6 | 2552040452 |
7 | 513302435 |
oct | 162506760 |
9 | 62483315 |
10 | 30051824 |
11 | 15a66420 |
12 | a093128 |
13 | 62c275a |
14 | 3dc3b8c |
15 | 298939e |
hex | 1ca8df0 |
30051824 has 20 divisors (see below), whose sum is σ = 63519000. Its totient is φ = 13659840.
The previous prime is 30051809. The next prime is 30051871. The reversal of 30051824 is 42815003.
30051824 = T37 + T38 + ... + T564.
It is a super-2 number, since 2×300518242 = 1806224251453952, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30051824.
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 3 ways as a sum of consecutive naturals, for example, 85199 + ... + 85550.
It is an arithmetic number, because the mean of its divisors is an integer number (3175950).
Almost surely, 230051824 is an apocalyptic number.
It is an amenable number.
30051824 is an abundant number, since it is smaller than the sum of its proper divisors (33467176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30051824 is a wasteful number, since it uses less digits than its factorization.
30051824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170768 (or 170762 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 30051824 is about 5481.9543960161. The cubic root of 30051824 is about 310.9020690199.
Adding to 30051824 its reverse (42815003), we get a palindrome (72866827).
The spelling of 30051824 in words is "thirty million, fifty-one thousand, eight hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •