Base | Representation |
---|---|
bin | 1010001100100011110001 |
3 | 12000210111121 |
4 | 22030203301 |
5 | 1141013011 |
6 | 133142241 |
7 | 31501441 |
oct | 12144361 |
9 | 5023447 |
10 | 2672881 |
11 | 15661a2 |
12 | a8a981 |
13 | 7277b3 |
14 | 4d8121 |
15 | 37be71 |
hex | 28c8f1 |
2672881 has 2 divisors, whose sum is σ = 2672882. Its totient is φ = 2672880.
The previous prime is 2672867. The next prime is 2672903. The reversal of 2672881 is 1882762.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1418481 + 1254400 = 1191^2 + 1120^2 .
It is a cyclic number.
It is not a de Polignac number, because 2672881 - 213 = 2664689 is a prime.
It is a super-2 number, since 2×26728812 = 14288585680322, which contains 22 as substring.
2672881 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (2672821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336440 + 1336441.
It is an arithmetic number, because the mean of its divisors is an integer number (1336441).
22672881 is an apocalyptic number.
It is an amenable number.
2672881 is a deficient number, since it is larger than the sum of its proper divisors (1).
2672881 is an equidigital number, since it uses as much as digits as its factorization.
2672881 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10752, while the sum is 34.
The square root of 2672881 is about 1634.8947978387. The cubic root of 2672881 is about 138.7798907547.
It can be divided in two parts, 267288 and 1, that added together give a square (267289 = 5172).
The spelling of 2672881 in words is "two million, six hundred seventy-two thousand, eight hundred eighty-one".
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