Base | Representation |
---|---|
bin | 111001010100… |
… | …0110001100110 |
3 | 2002112202210221 |
4 | 1302220301212 |
5 | 30143121210 |
6 | 2552034554 |
7 | 513301333 |
oct | 162506146 |
9 | 62482727 |
10 | 30051430 |
11 | 15a660a2 |
12 | a092a5a |
13 | 62c2516 |
14 | 3dc398a |
15 | 29891da |
hex | 1ca8c66 |
30051430 has 16 divisors (see below), whose sum is σ = 54394704. Its totient is φ = 11953440.
The previous prime is 30051419. The next prime is 30051433. The reversal of 30051430 is 3415003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30051433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6492 + ... + 10111.
It is an arithmetic number, because the mean of its divisors is an integer number (3399669).
Almost surely, 230051430 is an apocalyptic number.
30051430 is a deficient number, since it is larger than the sum of its proper divisors (24343274).
30051430 is a wasteful number, since it uses less digits than its factorization.
30051430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16791.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 30051430 is about 5481.9184598095. The cubic root of 30051430 is about 310.9007103009.
Adding to 30051430 its reverse (3415003), we get a palindrome (33466433).
The spelling of 30051430 in words is "thirty million, fifty-one thousand, four hundred thirty".
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