Base | Representation |
---|---|
bin | 11010111000101100000110 |
3 | 111021001221220 |
4 | 122320230012 |
5 | 3301013232 |
6 | 411021210 |
7 | 113622636 |
oct | 32705406 |
9 | 14231856 |
10 | 7047942 |
11 | 3a84250 |
12 | 243a806 |
13 | 15c9ca5 |
14 | d166c6 |
15 | 94342c |
hex | 6b8b06 |
7047942 has 16 divisors (see below), whose sum is σ = 15377472. Its totient is φ = 2135720.
The previous prime is 7047919. The next prime is 7047947. The reversal of 7047942 is 2497407.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7047947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53328 + ... + 53459.
It is an arithmetic number, because the mean of its divisors is an integer number (961092).
Almost surely, 27047942 is an apocalyptic number.
7047942 is an abundant number, since it is smaller than the sum of its proper divisors (8329530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7047942 is a wasteful number, since it uses less digits than its factorization.
7047942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106803.
The product of its (nonzero) digits is 14112, while the sum is 33.
The square root of 7047942 is about 2654.7960373633. The cubic root of 7047942 is about 191.7288381382.
It can be divided in two parts, 704 and 7942, that added together give a triangular number (8646 = T131).
The spelling of 7047942 in words is "seven million, forty-seven thousand, nine hundred forty-two".
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