Base | Representation |
---|---|
bin | 11001000010111… |
… | …111000001001110 |
3 | 1002021201000121120 |
4 | 121002333001032 |
5 | 1330033302224 |
6 | 105410341410 |
7 | 13261515150 |
oct | 3102770116 |
9 | 1067630546 |
10 | 420212814 |
11 | 1a622111a |
12 | b888a866 |
13 | 6909a848 |
14 | 3db46ad0 |
15 | 26d57779 |
hex | 190bf04e |
420212814 has 32 divisors (see below), whose sum is σ = 962668800. Its totient is φ = 119788032.
The previous prime is 420212803. The next prime is 420212831. The reversal of 420212814 is 418212024.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7717 + ... + 29999.
It is an arithmetic number, because the mean of its divisors is an integer number (30083400).
Almost surely, 2420212814 is an apocalyptic number.
420212814 is an abundant number, since it is smaller than the sum of its proper divisors (542455986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420212814 is a wasteful number, since it uses less digits than its factorization.
420212814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22744.
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 420212814 is about 20499.0930043258. The cubic root of 420212814 is about 749.0137044188.
Adding to 420212814 its reverse (418212024), we get a palindrome (838424838).
The spelling of 420212814 in words is "four hundred twenty million, two hundred twelve thousand, eight hundred fourteen".
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