Base | Representation |
---|---|
bin | 1010111111011110010101 |
3 | 12102101120121 |
4 | 22333132111 |
5 | 1214201204 |
6 | 141431541 |
7 | 33330445 |
oct | 12773625 |
9 | 5371517 |
10 | 2881429 |
11 | 1698951 |
12 | b6b5b1 |
13 | 79b6b5 |
14 | 550125 |
15 | 3bdb54 |
hex | 2bf795 |
2881429 has 8 divisors (see below), whose sum is σ = 2976768. Its totient is φ = 2787600.
The previous prime is 2881427. The next prime is 2881433. The reversal of 2881429 is 9241882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2881429 - 21 = 2881427 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2881394 and 2881403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2881427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444 + ... + 5050.
It is an arithmetic number, because the mean of its divisors is an integer number (372096).
22881429 is an apocalyptic number.
It is an amenable number.
2881429 is a deficient number, since it is larger than the sum of its proper divisors (95339).
2881429 is a wasteful number, since it uses less digits than its factorization.
2881429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 755.
The product of its digits is 9216, while the sum is 34.
The square root of 2881429 is about 1697.4772457974. The cubic root of 2881429 is about 142.2992597727.
The spelling of 2881429 in words is "two million, eight hundred eighty-one thousand, four hundred twenty-nine".
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