Base | Representation |
---|---|
bin | 1010110110000100111110 |
3 | 12100102210011 |
4 | 22312010332 |
5 | 1211433232 |
6 | 140533434 |
7 | 33110314 |
oct | 12660476 |
9 | 5312704 |
10 | 2842942 |
11 | 1671a43 |
12 | b5127a |
13 | 78701b |
14 | 5400b4 |
15 | 3b2547 |
hex | 2b613e |
2842942 has 4 divisors (see below), whose sum is σ = 4264416. Its totient is φ = 1421470.
The previous prime is 2842937. The next prime is 2842943. The reversal of 2842942 is 2492482.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2492482 = 2 ⋅1246241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2842943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710734 + ... + 710737.
It is an arithmetic number, because the mean of its divisors is an integer number (1066104).
22842942 is an apocalyptic number.
2842942 is a deficient number, since it is larger than the sum of its proper divisors (1421474).
2842942 is a wasteful number, since it uses less digits than its factorization.
2842942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1421473.
The product of its digits is 9216, while the sum is 31.
The square root of 2842942 is about 1686.1026066049. The cubic root of 2842942 is about 141.6628581829.
The spelling of 2842942 in words is "two million, eight hundred forty-two thousand, nine hundred forty-two".
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