Base | Representation |
---|---|
bin | 111001010011… |
… | …0100100111110 |
3 | 2002112022110121 |
4 | 1302212210332 |
5 | 30142324210 |
6 | 2551525154 |
7 | 513233155 |
oct | 162464476 |
9 | 62468417 |
10 | 30042430 |
11 | 15a5a360 |
12 | a0897ba |
13 | 62bb3b2 |
14 | 3dc059c |
15 | 29866da |
hex | 1ca693e |
30042430 has 16 divisors (see below), whose sum is σ = 58992624. Its totient is φ = 10924480.
The previous prime is 30042427. The next prime is 30042437. The reversal of 30042430 is 3424003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30042437) 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, 136447 + ... + 136666.
It is an arithmetic number, because the mean of its divisors is an integer number (3687039).
Almost surely, 230042430 is an apocalyptic number.
30042430 is a deficient number, since it is larger than the sum of its proper divisors (28950194).
30042430 is a wasteful number, since it uses less digits than its factorization.
30042430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273131.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 30042430 is about 5481.0975178334. The cubic root of 30042430 is about 310.8696703385.
Adding to 30042430 its reverse (3424003), we get a palindrome (33466433).
The spelling of 30042430 in words is "thirty million, forty-two thousand, four hundred thirty".
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