Base | Representation |
---|---|
bin | 11010010100111… |
… | …11100001111110 |
3 | 120101120120021112 |
4 | 31022133201332 |
5 | 423014320043 |
6 | 33525402022 |
7 | 5321142242 |
oct | 1512374176 |
9 | 511516245 |
10 | 220854398 |
11 | 1037371a6 |
12 | 61b69312 |
13 | 369a959b |
14 | 21490422 |
15 | 145c8518 |
hex | d29f87e |
220854398 has 8 divisors (see below), whose sum is σ = 332602200. Its totient is φ = 109987000.
The previous prime is 220854391. The next prime is 220854427. The reversal of 220854398 is 893458022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220854391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219473 + ... + 220476.
It is an arithmetic number, because the mean of its divisors is an integer number (41575275).
Almost surely, 2220854398 is an apocalyptic number.
220854398 is a deficient number, since it is larger than the sum of its proper divisors (111747802).
220854398 is a wasteful number, since it uses less digits than its factorization.
220854398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440202.
The product of its (nonzero) digits is 138240, while the sum is 41.
The square root of 220854398 is about 14861.1708152487. The cubic root of 220854398 is about 604.4615549445.
The spelling of 220854398 in words is "two hundred twenty million, eight hundred fifty-four thousand, three hundred ninety-eight".
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