Base | Representation |
---|---|
bin | 111001010001… |
… | …0000111001110 |
3 | 2002111101101021 |
4 | 1302202013032 |
5 | 30141233032 |
6 | 2551304354 |
7 | 513125641 |
oct | 162420716 |
9 | 62441337 |
10 | 30024142 |
11 | 15a47645 |
12 | a07b0ba |
13 | 62b2c85 |
14 | 3db7a58 |
15 | 2981097 |
hex | 1ca21ce |
30024142 has 16 divisors (see below), whose sum is σ = 50196240. Its totient is φ = 13385088.
The previous prime is 30024133. The next prime is 30024143. The reversal of 30024142 is 24142003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30024143) 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, 22593 + ... + 23884.
It is an arithmetic number, because the mean of its divisors is an integer number (3137265).
Almost surely, 230024142 is an apocalyptic number.
30024142 is a deficient number, since it is larger than the sum of its proper divisors (20172098).
30024142 is a wasteful number, since it uses less digits than its factorization.
30024142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46515.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 30024142 is about 5479.4289848487. The cubic root of 30024142 is about 310.8065780330.
Adding to 30024142 its reverse (24142003), we get a palindrome (54166145).
It can be divided in two parts, 300 and 24142, that added together give a palindrome (24442).
The spelling of 30024142 in words is "thirty million, twenty-four thousand, one hundred forty-two".
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