Base | Representation |
---|---|
bin | 1011001101010110101001 |
3 | 12112021120020 |
4 | 23031112221 |
5 | 1223011111 |
6 | 142551053 |
7 | 33655263 |
oct | 13152651 |
9 | 5467506 |
10 | 2938281 |
11 | 1727635 |
12 | b98489 |
13 | 7bb538 |
14 | 566b33 |
15 | 3d0906 |
hex | 2cd5a9 |
2938281 has 16 divisors (see below), whose sum is σ = 4078464. Its totient is φ = 1880064.
The previous prime is 2938279. The next prime is 2938291. The reversal of 2938281 is 1828392.
It is not a de Polignac number, because 2938281 - 21 = 2938279 is a prime.
It is a super-2 number, since 2×29382812 = 17266990469922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2938241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11305 + ... + 11561.
It is an arithmetic number, because the mean of its divisors is an integer number (254904).
22938281 is an apocalyptic number.
It is an amenable number.
2938281 is a deficient number, since it is larger than the sum of its proper divisors (1140183).
2938281 is a wasteful number, since it uses less digits than its factorization.
2938281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400.
The product of its digits is 6912, while the sum is 33.
The square root of 2938281 is about 1714.1414760748. The cubic root of 2938281 is about 143.2290491976.
The spelling of 2938281 in words is "two million, nine hundred thirty-eight thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •