Base | Representation |
---|---|
bin | 11001000010111… |
… | …110101010000010 |
3 | 1002021200221120121 |
4 | 121002332222002 |
5 | 1330033230310 |
6 | 105410330454 |
7 | 13261510630 |
oct | 3102765202 |
9 | 1067627517 |
10 | 420211330 |
11 | 1a621aaa0 |
12 | b8889a2a |
13 | 69099c76 |
14 | 3db46350 |
15 | 26d570da |
hex | 190bea82 |
420211330 has 64 divisors (see below), whose sum is σ = 946225152. Its totient is φ = 130530240.
The previous prime is 420211327. The next prime is 420211333. The reversal of 420211330 is 33112024.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (420211327) and next prime (420211333).
It is not an unprimeable number, because it can be changed into a prime (420211333) 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 31 ways as a sum of consecutive naturals, for example, 281847 + ... + 283333.
It is an arithmetic number, because the mean of its divisors is an integer number (14784768).
Almost surely, 2420211330 is an apocalyptic number.
420211330 is an abundant number, since it is smaller than the sum of its proper divisors (526013822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420211330 is a wasteful number, since it uses less digits than its factorization.
420211330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1879.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 420211330 is about 20499.0568075704. The cubic root of 420211330 is about 749.0128226929.
Adding to 420211330 its reverse (33112024), we get a palindrome (453323354).
The spelling of 420211330 in words is "four hundred twenty million, two hundred eleven thousand, three hundred thirty".
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