Base | Representation |
---|---|
bin | 11010010101101… |
… | …00000011011111 |
3 | 120101201211121001 |
4 | 31022310003133 |
5 | 423030012323 |
6 | 33531251131 |
7 | 5321642314 |
oct | 1512640337 |
9 | 511654531 |
10 | 220938463 |
11 | 103794379 |
12 | 61ba9aa7 |
13 | 36a08925 |
14 | 214b2d0b |
15 | 145e33ad |
hex | d2b40df |
220938463 has 8 divisors (see below), whose sum is σ = 229708080. Its totient is φ = 212329920.
The previous prime is 220938461. The next prime is 220938469. The reversal of 220938463 is 364839022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220938463 - 21 = 220938461 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220938461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37468 + ... + 42961.
It is an arithmetic number, because the mean of its divisors is an integer number (28713510).
Almost surely, 2220938463 is an apocalyptic number.
220938463 is a deficient number, since it is larger than the sum of its proper divisors (8769617).
220938463 is an equidigital number, since it uses as much as digits as its factorization.
220938463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80537.
The product of its (nonzero) digits is 62208, while the sum is 37.
The square root of 220938463 is about 14863.9988899354. The cubic root of 220938463 is about 604.5382383692.
The spelling of 220938463 in words is "two hundred twenty million, nine hundred thirty-eight thousand, four hundred sixty-three".
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