Base | Representation |
---|---|
bin | 1011010111000100000000 |
3 | 12121022010002 |
4 | 23113010000 |
5 | 1230244143 |
6 | 143455132 |
7 | 34212233 |
oct | 13270400 |
9 | 5538102 |
10 | 2978048 |
11 | 17544a7 |
12 | bb74a8 |
13 | 803678 |
14 | 57741a |
15 | 3dc5b8 |
hex | 2d7100 |
2978048 has 18 divisors (see below), whose sum is σ = 5944974. Its totient is φ = 1488896.
The previous prime is 2978047. The next prime is 2978071. The reversal of 2978048 is 8408792.
It can be written as a sum of positive squares in only one way, i.e., 2715904 + 262144 = 1648^2 + 512^2 .
It is a d-powerful number, because it can be written as 213 + 9 + 77 + 85 + 0 + 47 + 87 .
It is not an unprimeable number, because it can be changed into a prime (2978047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561 + ... + 6072.
22978048 is an apocalyptic number.
It is an amenable number.
2978048 is a deficient number, since it is larger than the sum of its proper divisors (2966926).
2978048 is an equidigital number, since it uses as much as digits as its factorization.
2978048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11649 (or 11635 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 2978048 is about 1725.7021759272. The cubic root of 2978048 is about 143.8723147982.
The spelling of 2978048 in words is "two million, nine hundred seventy-eight thousand, forty-eight".
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