Base | Representation |
---|---|
bin | 11010010101001… |
… | …01100011110000 |
3 | 120101121211010222 |
4 | 31022211203300 |
5 | 423021112323 |
6 | 33530112212 |
7 | 5321304233 |
oct | 1512454360 |
9 | 511554128 |
10 | 220879088 |
11 | 103753801 |
12 | 61b7b668 |
13 | 369b78b1 |
14 | 2149941a |
15 | 145d09c8 |
hex | d2a58f0 |
220879088 has 20 divisors (see below), whose sum is σ = 432368160. Its totient is φ = 109300224.
The previous prime is 220879069. The next prime is 220879111. The reversal of 220879088 is 880978022.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69608 + ... + 72711.
It is an arithmetic number, because the mean of its divisors is an integer number (21618408).
Almost surely, 2220879088 is an apocalyptic number.
It is an amenable number.
220879088 is a deficient number, since it is larger than the sum of its proper divisors (211489072).
220879088 is a wasteful number, since it uses less digits than its factorization.
220879088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142424 (or 142418 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 44.
The square root of 220879088 is about 14862.0014802852. The cubic root of 220879088 is about 604.4840789842.
Subtracting from 220879088 its sum of digits (44), we obtain a square (220879044 = 148622).
The spelling of 220879088 in words is "two hundred twenty million, eight hundred seventy-nine thousand, eighty-eight".
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