Base | Representation |
---|---|
bin | 11100110110100… |
… | …01011000111110 |
3 | 121212102101221100 |
4 | 32123101120332 |
5 | 443424431032 |
6 | 40003313530 |
7 | 5666136144 |
oct | 1633213076 |
9 | 555371840 |
10 | 242030142 |
11 | 11468a912 |
12 | 6907b8a6 |
13 | 3b1b1c03 |
14 | 24203594 |
15 | 163ac97c |
hex | e6d163e |
242030142 has 12 divisors (see below), whose sum is σ = 524398680. Its totient is φ = 80676708.
The previous prime is 242030137. The next prime is 242030153. The reversal of 242030142 is 241030242.
It is a super-3 number, since 3×2420301423 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 13446119 = 242030142 / (2 + 4 + 2 + 0 + 3 + 0 + 1 + 4 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6723042 + ... + 6723077.
It is an arithmetic number, because the mean of its divisors is an integer number (43699890).
Almost surely, 2242030142 is an apocalyptic number.
242030142 is an abundant number, since it is smaller than the sum of its proper divisors (282368538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242030142 is a wasteful number, since it uses less digits than its factorization.
242030142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13446127 (or 13446124 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 242030142 is about 15557.3179565117. The cubic root of 242030142 is about 623.1938399922.
Adding to 242030142 its reverse (241030242), we get a palindrome (483060384).
The spelling of 242030142 in words is "two hundred forty-two million, thirty thousand, one hundred forty-two".
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