Base | Representation |
---|---|
bin | 1010101011100110101010 |
3 | 12021020221021 |
4 | 22223212222 |
5 | 1204100132 |
6 | 140003054 |
7 | 32541250 |
oct | 12534652 |
9 | 5236837 |
10 | 2800042 |
11 | 1642793 |
12 | b3048a |
13 | 77063b |
14 | 52c5d0 |
15 | 3a4997 |
hex | 2ab9aa |
2800042 has 8 divisors (see below), whose sum is σ = 4800096. Its totient is φ = 1200012.
The previous prime is 2800033. The next prime is 2800051. The reversal of 2800042 is 2400082.
It is an interprime number because it is at equal distance from previous prime (2800033) and next prime (2800051).
It is a sphenic number, since it is the product of 3 distinct primes.
2800042 is a modest number, since divided by 42 gives 28 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 2799989 and 2800025.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99988 + ... + 100015.
It is an arithmetic number, because the mean of its divisors is an integer number (600012).
22800042 is an apocalyptic number.
2800042 is a deficient number, since it is larger than the sum of its proper divisors (2000054).
2800042 is a wasteful number, since it uses less digits than its factorization.
2800042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200012.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2800042 is about 1673.3326029215. The cubic root of 2800042 is about 140.9466793676.
The spelling of 2800042 in words is "two million, eight hundred thousand, forty-two".
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