Base | Representation |
---|---|
bin | 11001100100000… |
… | …11110001111111 |
3 | 112221112011002220 |
4 | 30302003301333 |
5 | 414344334104 |
6 | 33140220423 |
7 | 5212534362 |
oct | 1462036177 |
9 | 487464086 |
10 | 214449279 |
11 | 100061a10 |
12 | 5b99a713 |
13 | 35576085 |
14 | 206a40d9 |
15 | 13c607d9 |
hex | cc83c7f |
214449279 has 16 divisors (see below), whose sum is σ = 314388480. Its totient is φ = 128943360.
The previous prime is 214449259. The next prime is 214449307. The reversal of 214449279 is 972944412.
It is not a de Polignac number, because 214449279 - 223 = 206060671 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 214449279.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214449259) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21394 + ... + 29775.
It is an arithmetic number, because the mean of its divisors is an integer number (19649280).
Almost surely, 2214449279 is an apocalyptic number.
214449279 is a deficient number, since it is larger than the sum of its proper divisors (99939201).
214449279 is a wasteful number, since it uses less digits than its factorization.
214449279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51310.
The product of its digits is 145152, while the sum is 42.
The square root of 214449279 is about 14644.0868271122. The cubic root of 214449279 is about 598.5606973294.
The spelling of 214449279 in words is "two hundred fourteen million, four hundred forty-nine thousand, two hundred seventy-nine".
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