Base | Representation |
---|---|
bin | 11001100100111… |
… | …00111010010101 |
3 | 112221201101022021 |
4 | 30302130322111 |
5 | 414411132323 |
6 | 33142333141 |
7 | 5213443441 |
oct | 1462347225 |
9 | 487641267 |
10 | 214552213 |
11 | 100122287 |
12 | 5ba2a1b1 |
13 | 355b0b95 |
14 | 206cd821 |
15 | 13c8105d |
hex | cc9ce95 |
214552213 has 2 divisors, whose sum is σ = 214552214. Its totient is φ = 214552212.
The previous prime is 214552207. The next prime is 214552249. The reversal of 214552213 is 312255412.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 124055044 + 90497169 = 11138^2 + 9513^2 .
It is a cyclic number.
It is not a de Polignac number, because 214552213 - 25 = 214552181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (214552813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107276106 + 107276107.
It is an arithmetic number, because the mean of its divisors is an integer number (107276107).
Almost surely, 2214552213 is an apocalyptic number.
It is an amenable number.
214552213 is a deficient number, since it is larger than the sum of its proper divisors (1).
214552213 is an equidigital number, since it uses as much as digits as its factorization.
214552213 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2400, while the sum is 25.
The square root of 214552213 is about 14647.6009298451. The cubic root of 214552213 is about 598.6564501836.
The spelling of 214552213 in words is "two hundred fourteen million, five hundred fifty-two thousand, two hundred thirteen".
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