Base | Representation |
---|---|
bin | 11001100100000… |
… | …10101000001001 |
3 | 112221111220121212 |
4 | 30302002220021 |
5 | 414344211203 |
6 | 33140142505 |
7 | 5212514531 |
oct | 1462025011 |
9 | 487456555 |
10 | 214444553 |
11 | 100059404 |
12 | 5b997a35 |
13 | 35573b8b |
14 | 206a24c1 |
15 | 13c5e1d8 |
hex | cc82a09 |
214444553 has 2 divisors, whose sum is σ = 214444554. Its totient is φ = 214444552.
The previous prime is 214444543. The next prime is 214444561. The reversal of 214444553 is 355444412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 121264144 + 93180409 = 11012^2 + 9653^2 .
It is a cyclic number.
It is not a de Polignac number, because 214444553 - 28 = 214444297 is a prime.
It is a super-2 number, since 2×2144445532 = 91972932622739618, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (214444543) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107222276 + 107222277.
It is an arithmetic number, because the mean of its divisors is an integer number (107222277).
Almost surely, 2214444553 is an apocalyptic number.
It is an amenable number.
214444553 is a deficient number, since it is larger than the sum of its proper divisors (1).
214444553 is an equidigital number, since it uses as much as digits as its factorization.
214444553 is an evil number, because the sum of its binary digits is even.
The product of its digits is 38400, while the sum is 32.
The square root of 214444553 is about 14643.9254641643. The cubic root of 214444553 is about 598.5563003011.
Adding to 214444553 its reverse (355444412), we get a palindrome (569888965).
The spelling of 214444553 in words is "two hundred fourteen million, four hundred forty-four thousand, five hundred fifty-three".
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