Base | Representation |
---|---|
bin | 101110100000… |
… | …0001011101110 |
3 | 1200212122021020 |
4 | 1131000023232 |
5 | 22220131032 |
6 | 2230315010 |
7 | 414141063 |
oct | 135001356 |
9 | 50778236 |
10 | 24380142 |
11 | 12842186 |
12 | 81b8a66 |
13 | 5088027 |
14 | 3348c6a |
15 | 2218b2c |
hex | 17402ee |
24380142 has 32 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 7617408.
The previous prime is 24380131. The next prime is 24380143. The reversal of 24380142 is 24108342.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24380143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48609 + ... + 49107.
It is an arithmetic number, because the mean of its divisors is an integer number (1620000).
Almost surely, 224380142 is an apocalyptic number.
24380142 is an abundant number, since it is smaller than the sum of its proper divisors (27459858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24380142 is a wasteful number, since it uses less digits than its factorization.
24380142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1000.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 24380142 is about 4937.6251376547. The cubic root of 24380142 is about 289.9648867514.
Adding to 24380142 its reverse (24108342), we get a palindrome (48488484).
The spelling of 24380142 in words is "twenty-four million, three hundred eighty thousand, one hundred forty-two".
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