Base | Representation |
---|---|
bin | 11010110111010101001100 |
3 | 111020210022220 |
4 | 122313111030 |
5 | 3300324010 |
6 | 410535340 |
7 | 113600502 |
oct | 32672514 |
9 | 14223286 |
10 | 7042380 |
11 | 3a80054 |
12 | 2437550 |
13 | 15c75b7 |
14 | d14672 |
15 | 941970 |
hex | 6b754c |
7042380 has 24 divisors (see below), whose sum is σ = 19718832. Its totient is φ = 1877952.
The previous prime is 7042379. The next prime is 7042391. The reversal of 7042380 is 832407.
It is a self number, because there is not a number n which added to its sum of digits gives 7042380.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58627 + ... + 58746.
It is an arithmetic number, because the mean of its divisors is an integer number (821618).
Almost surely, 27042380 is an apocalyptic number.
It is an amenable number.
7042380 is an abundant number, since it is smaller than the sum of its proper divisors (12676452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7042380 is a wasteful number, since it uses less digits than its factorization.
7042380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117385 (or 117383 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 7042380 is about 2653.7482925100. The cubic root of 7042380 is about 191.6783895371.
Adding to 7042380 its reverse (832407), we get a palindrome (7874787).
The spelling of 7042380 in words is "seven million, forty-two thousand, three hundred eighty".
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