Base | Representation |
---|---|
bin | 1011011010001001100000 |
3 | 12121221110020 |
4 | 23122021200 |
5 | 1231200223 |
6 | 144033440 |
7 | 34264131 |
oct | 13321140 |
9 | 5557406 |
10 | 2990688 |
11 | 1762a48 |
12 | 1002880 |
13 | 80934c |
14 | 57bc88 |
15 | 3e11e3 |
hex | 2da260 |
2990688 has 24 divisors (see below), whose sum is σ = 7850808. Its totient is φ = 996864.
The previous prime is 2990677. The next prime is 2990707. The reversal of 2990688 is 8860992.
2990688 is nontrivially palindromic in base 15.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15481 + ... + 15672.
It is an arithmetic number, because the mean of its divisors is an integer number (327117).
22990688 is an apocalyptic number.
It is an amenable number.
2990688 is an abundant number, since it is smaller than the sum of its proper divisors (4860120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2990688 is a wasteful number, since it uses less digits than its factorization.
2990688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31166 (or 31158 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 2990688 is about 1729.3605754729. The cubic root of 2990688 is about 144.0755776105.
The spelling of 2990688 in words is "two million, nine hundred ninety thousand, six hundred eighty-eight".
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