Base | Representation |
---|---|
bin | 11001000100010… |
… | …10000110110000 |
3 | 112122200101010202 |
4 | 30202022012300 |
5 | 412312442010 |
6 | 32511014332 |
7 | 5132233535 |
oct | 1442120660 |
9 | 478611122 |
10 | 210280880 |
11 | a8775157 |
12 | 5a50a3a8 |
13 | 34746974 |
14 | 1dcdad8c |
15 | 136da6a5 |
hex | c88a1b0 |
210280880 has 40 divisors (see below), whose sum is σ = 495614112. Its totient is φ = 82957824.
The previous prime is 210280831. The next prime is 210280901. The reversal of 210280880 is 88082012.
210280880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12164 + ... + 23843.
Almost surely, 2210280880 is an apocalyptic number.
210280880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
210280880 is an abundant number, since it is smaller than the sum of its proper divisors (285333232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210280880 is a wasteful number, since it uses less digits than its factorization.
210280880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36093 (or 36087 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 29.
The square root of 210280880 is about 14501.0647884905. The cubic root of 210280880 is about 594.6570817852.
The spelling of 210280880 in words is "two hundred ten million, two hundred eighty thousand, eight hundred eighty".
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