Base | Representation |
---|---|
bin | 1010101011100110100110 |
3 | 12021020221010 |
4 | 22223212212 |
5 | 1204100123 |
6 | 140003050 |
7 | 32541243 |
oct | 12534646 |
9 | 5236833 |
10 | 2800038 |
11 | 164278a |
12 | b30486 |
13 | 770637 |
14 | 52c5ca |
15 | 3a4993 |
hex | 2ab9a6 |
2800038 has 8 divisors (see below), whose sum is σ = 5600088. Its totient is φ = 933344.
The previous prime is 2800033. The next prime is 2800051. The reversal of 2800038 is 8300082.
It is a sphenic number, since it is the product of 3 distinct primes.
2800038 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 2799987 and 2800023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2800033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233331 + ... + 233342.
It is an arithmetic number, because the mean of its divisors is an integer number (700011).
22800038 is an apocalyptic number.
2800038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2800038 is a wasteful number, since it uses less digits than its factorization.
2800038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466678.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 2800038 is about 1673.3314077014. The cubic root of 2800038 is about 140.9466122512.
The spelling of 2800038 in words is "two million, eight hundred thousand, thirty-eight".
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