Base | Representation |
---|---|
bin | 11001100010111… |
… | …00011000000111 |
3 | 112221012221201010 |
4 | 30301130120013 |
5 | 414324203004 |
6 | 33132533303 |
7 | 5211263001 |
oct | 1461343007 |
9 | 487187633 |
10 | 214287879 |
11 | aaa61723 |
12 | 5b921233 |
13 | 3551a780 |
14 | 20661371 |
15 | 13c2ca89 |
hex | cc5c607 |
214287879 has 16 divisors (see below), whose sum is σ = 308683872. Its totient is φ = 131445888.
The previous prime is 214287863. The next prime is 214287893. The reversal of 214287879 is 978782412.
It is not a de Polignac number, because 214287879 - 24 = 214287863 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214287809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697 + ... + 21029.
It is an arithmetic number, because the mean of its divisors is an integer number (19292742).
Almost surely, 2214287879 is an apocalyptic number.
214287879 is a deficient number, since it is larger than the sum of its proper divisors (94395993).
214287879 is a wasteful number, since it uses less digits than its factorization.
214287879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17666.
The product of its digits is 451584, while the sum is 48.
The square root of 214287879 is about 14638.5750331103. The cubic root of 214287879 is about 598.4104956226.
The spelling of 214287879 in words is "two hundred fourteen million, two hundred eighty-seven thousand, eight hundred seventy-nine".
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