Base | Representation |
---|---|
bin | 1010101000101111101001 |
3 | 12020122212110 |
4 | 22220233221 |
5 | 1203211304 |
6 | 135432533 |
7 | 32462145 |
oct | 12505751 |
9 | 5218773 |
10 | 2788329 |
11 | 1634a05 |
12 | b25749 |
13 | 7681cb |
14 | 528225 |
15 | 3a1289 |
hex | 2a8be9 |
2788329 has 8 divisors (see below), whose sum is σ = 3752320. Its totient is φ = 1841616.
The previous prime is 2788327. The next prime is 2788333. The reversal of 2788329 is 9238872.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2788329 - 21 = 2788327 is a prime.
It is a super-2 number, since 2×27883292 = 15549557224482, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2788327) 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, 3937 + ... + 4590.
It is an arithmetic number, because the mean of its divisors is an integer number (469040).
22788329 is an apocalyptic number.
It is an amenable number.
2788329 is a deficient number, since it is larger than the sum of its proper divisors (963991).
2788329 is a wasteful number, since it uses less digits than its factorization.
2788329 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8639.
The product of its digits is 48384, while the sum is 39.
The square root of 2788329 is about 1669.8290331648. The cubic root of 2788329 is about 140.7498709126.
The spelling of 2788329 in words is "two million, seven hundred eighty-eight thousand, three hundred twenty-nine".
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