Base | Representation |
---|---|
bin | 1000000011000110111000 |
3 | 10222012012201 |
4 | 20003012320 |
5 | 1020004010 |
6 | 113115544 |
7 | 23635153 |
oct | 10030670 |
9 | 3865181 |
10 | 2109880 |
11 | 1211203 |
12 | 858bb4 |
13 | 58b466 |
14 | 3ccc9a |
15 | 2ba23a |
hex | 2031b8 |
2109880 has 16 divisors (see below), whose sum is σ = 4747320. Its totient is φ = 843936.
The previous prime is 2109871. The next prime is 2109889. The reversal of 2109880 is 889012.
It is an interprime number because it is at equal distance from previous prime (2109871) and next prime (2109889).
It is a super-2 number, since 2×21098802 = 8903187228800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2109889) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26334 + ... + 26413.
22109880 is an apocalyptic number.
2109880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2109880 is an abundant number, since it is smaller than the sum of its proper divisors (2637440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2109880 is a wasteful number, since it uses less digits than its factorization.
2109880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52758 (or 52754 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 2109880 is about 1452.5425983426. The cubic root of 2109880 is about 128.2584297068.
The spelling of 2109880 in words is "two million, one hundred nine thousand, eight hundred eighty".
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