Base | Representation |
---|---|
bin | 11001100100000… |
… | …10110101011001 |
3 | 112221111221210021 |
4 | 30302002311121 |
5 | 414344223101 |
6 | 33140150441 |
7 | 5212520152 |
oct | 1462026531 |
9 | 487457707 |
10 | 214445401 |
11 | 10005a005 |
12 | 5b998421 |
13 | 35574391 |
14 | 206a2929 |
15 | 13c5e5a1 |
hex | cc82d59 |
214445401 has 16 divisors (see below), whose sum is σ = 225720000. Its totient is φ = 203466816.
The previous prime is 214445351. The next prime is 214445417. The reversal of 214445401 is 104544412.
It is a cyclic number.
It is not a de Polignac number, because 214445401 - 217 = 214314329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (214445461) 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, 565630 + ... + 566008.
It is an arithmetic number, because the mean of its divisors is an integer number (14107500).
Almost surely, 2214445401 is an apocalyptic number.
It is an amenable number.
214445401 is a deficient number, since it is larger than the sum of its proper divisors (11274599).
214445401 is a wasteful number, since it uses less digits than its factorization.
214445401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696.
The product of its (nonzero) digits is 2560, while the sum is 25.
The square root of 214445401 is about 14643.9544181208. The cubic root of 214445401 is about 598.5570892775.
Adding to 214445401 its reverse (104544412), we get a palindrome (318989813).
The spelling of 214445401 in words is "two hundred fourteen million, four hundred forty-five thousand, four hundred one".
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