Base | Representation |
---|---|
bin | 11001000011000… |
… | …001110011001001 |
3 | 1002021201121020022 |
4 | 121003001303021 |
5 | 1330034133301 |
6 | 105410510225 |
7 | 13261563305 |
oct | 3103016311 |
9 | 1067647208 |
10 | 420224201 |
11 | 1a6229731 |
12 | b8895375 |
13 | 690a2a97 |
14 | 3db4ad05 |
15 | 26d5ad1b |
hex | 190c1cc9 |
420224201 has 8 divisors (see below), whose sum is σ = 426983424. Its totient is φ = 413479440.
The previous prime is 420224183. The next prime is 420224213. The reversal of 420224201 is 102422024.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-420224201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 420224201.
It is not an unprimeable number, because it can be changed into a prime (420220201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65336 + ... + 71478.
It is an arithmetic number, because the mean of its divisors is an integer number (53372928).
Almost surely, 2420224201 is an apocalyptic number.
It is an amenable number.
420224201 is a deficient number, since it is larger than the sum of its proper divisors (6759223).
420224201 is a wasteful number, since it uses less digits than its factorization.
420224201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7231.
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 420224201 is about 20499.3707464400. The cubic root of 420224201 is about 749.0204699923.
Adding to 420224201 its reverse (102422024), we get a palindrome (522646225).
The spelling of 420224201 in words is "four hundred twenty million, two hundred twenty-four thousand, two hundred one".
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