Base | Representation |
---|---|
bin | 11001100011101… |
… | …01001000011111 |
3 | 112221102002210200 |
4 | 30301311020133 |
5 | 414340424104 |
6 | 33135034543 |
7 | 5212164426 |
oct | 1461651037 |
9 | 487362720 |
10 | 214389279 |
11 | 100020925 |
12 | 5b96ba53 |
13 | 35554980 |
14 | 2068a2bd |
15 | 13c4cb39 |
hex | cc7521f |
214389279 has 24 divisors (see below), whose sum is σ = 347998560. Its totient is φ = 126194112.
The previous prime is 214389277. The next prime is 214389283. The reversal of 214389279 is 972983412.
It is not a de Polignac number, because 214389279 - 21 = 214389277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214389277) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37144 + ... + 42525.
It is an arithmetic number, because the mean of its divisors is an integer number (14499940).
Almost surely, 2214389279 is an apocalyptic number.
214389279 is a deficient number, since it is larger than the sum of its proper divisors (133609281).
214389279 is a wasteful number, since it uses less digits than its factorization.
214389279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79711 (or 79708 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 214389279 is about 14642.0380753500. The cubic root of 214389279 is about 598.5048690672.
The spelling of 214389279 in words is "two hundred fourteen million, three hundred eighty-nine thousand, two hundred seventy-nine".
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