Base | Representation |
---|---|
bin | 11001001101101… |
… | …110110111000010 |
3 | 1002111000011100120 |
4 | 121031232313002 |
5 | 1331243431320 |
6 | 105551001110 |
7 | 13324461141 |
oct | 3115566702 |
9 | 1074004316 |
10 | 423030210 |
11 | 1a7875949 |
12 | b9809196 |
13 | 69846045 |
14 | 4027b758 |
15 | 27212440 |
hex | 1936edc2 |
423030210 has 64 divisors (see below), whose sum is σ = 1101268224. Its totient is φ = 103577600.
The previous prime is 423030203. The next prime is 423030211. The reversal of 423030210 is 12030324.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 423030210.
It is not an unprimeable number, because it can be changed into a prime (423030211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10795 + ... + 31025.
It is an arithmetic number, because the mean of its divisors is an integer number (17207316).
Almost surely, 2423030210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 423030210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550634112).
423030210 is an abundant number, since it is smaller than the sum of its proper divisors (678238014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
423030210 is a wasteful number, since it uses less digits than its factorization.
423030210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20299.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 423030210 is about 20567.6982183228. The cubic root of 423030210 is about 750.6839449916.
Adding to 423030210 its reverse (12030324), we get a palindrome (435060534).
The spelling of 423030210 in words is "four hundred twenty-three million, thirty thousand, two hundred ten".
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