Base | Representation |
---|---|
bin | 111001010100… |
… | …0110001100010 |
3 | 2002112202210210 |
4 | 1302220301202 |
5 | 30143121201 |
6 | 2552034550 |
7 | 513301326 |
oct | 162506142 |
9 | 62482723 |
10 | 30051426 |
11 | 15a66099 |
12 | a092a56 |
13 | 62c2512 |
14 | 3dc3986 |
15 | 29891d6 |
hex | 1ca8c62 |
30051426 has 16 divisors (see below), whose sum is σ = 63266400. Its totient is φ = 9489888.
The previous prime is 30051419. The next prime is 30051433. The reversal of 30051426 is 62415003.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30051419) and next prime (30051433).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131691 + ... + 131918.
It is an arithmetic number, because the mean of its divisors is an integer number (3954150).
Almost surely, 230051426 is an apocalyptic number.
30051426 is an abundant number, since it is smaller than the sum of its proper divisors (33214974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30051426 is a wasteful number, since it uses less digits than its factorization.
30051426 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263633.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 30051426 is about 5481.9180949737. The cubic root of 30051426 is about 310.9006965068.
Adding to 30051426 its reverse (62415003), we get a palindrome (92466429).
The spelling of 30051426 in words is "thirty million, fifty-one thousand, four hundred twenty-six".
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