Base | Representation |
---|---|
bin | 1010001110100010011100 |
3 | 12001012121212 |
4 | 22032202130 |
5 | 1141242423 |
6 | 133243552 |
7 | 31534202 |
oct | 12164234 |
9 | 5035555 |
10 | 2680988 |
11 | 15712a2 |
12 | a935b8 |
13 | 72b3ab |
14 | 4db072 |
15 | 37e578 |
hex | 28e89c |
2680988 has 12 divisors (see below), whose sum is σ = 4706520. Its totient is φ = 1336272.
The previous prime is 2680969. The next prime is 2680991. The reversal of 2680988 is 8890862.
It is a happy number.
It is a super-2 number, since 2×26809882 = 14375393312288, which contains 22 as substring.
It is an Ulam number.
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, 695 + ... + 2417.
It is an arithmetic number, because the mean of its divisors is an integer number (392210).
22680988 is an apocalyptic number.
It is an amenable number.
2680988 is a deficient number, since it is larger than the sum of its proper divisors (2025532).
2680988 is a wasteful number, since it uses less digits than its factorization.
2680988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2116 (or 2114 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 41.
The square root of 2680988 is about 1637.3722850958. The cubic root of 2680988 is about 138.9200582371.
The spelling of 2680988 in words is "two million, six hundred eighty thousand, nine hundred eighty-eight".
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