Base | Representation |
---|---|
bin | 11010010101001… |
… | …10100000000011 |
3 | 120101122000102220 |
4 | 31022212200003 |
5 | 423021223242 |
6 | 33530142123 |
7 | 5321321415 |
oct | 1512464003 |
9 | 511560386 |
10 | 220882947 |
11 | 10375669a |
12 | 61b81943 |
13 | 369b958c |
14 | 2149a9b5 |
15 | 145d1bec |
hex | d2a6803 |
220882947 has 8 divisors (see below), whose sum is σ = 295148544. Its totient is φ = 146936328.
The previous prime is 220882931. The next prime is 220882969. The reversal of 220882947 is 749288022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220882947 - 24 = 220882931 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 220882899 and 220882908.
It is not an unprimeable number, because it can be changed into a prime (220882927) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78123 + ... + 80900.
It is an arithmetic number, because the mean of its divisors is an integer number (36893568).
Almost surely, 2220882947 is an apocalyptic number.
220882947 is a deficient number, since it is larger than the sum of its proper divisors (74265597).
220882947 is a wasteful number, since it uses less digits than its factorization.
220882947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159489.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 220882947 is about 14862.1313074539. The cubic root of 220882947 is about 604.4875992971.
The spelling of 220882947 in words is "two hundred twenty million, eight hundred eighty-two thousand, nine hundred forty-seven".
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