Base | Representation |
---|---|
bin | 1010000100010… |
… | …0000110110000 |
3 | 2221110002200210 |
4 | 2201010012300 |
5 | 41302101000 |
6 | 4104544120 |
7 | 1021611132 |
oct | 241040660 |
9 | 87402623 |
10 | 42222000 |
11 | 21919017 |
12 | 12182040 |
13 | 8994042 |
14 | 5871052 |
15 | 3a90350 |
hex | 28441b0 |
42222000 has 160 divisors (see below), whose sum is σ = 141133824. Its totient is φ = 10848000.
The previous prime is 42221989. The next prime is 42222023. The reversal of 42222000 is 22224.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185887 + ... + 186113.
Almost surely, 242222000 is an apocalyptic number.
42222000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70566912).
42222000 is an abundant number, since it is smaller than the sum of its proper divisors (98911824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42222000 is a wasteful number, since it uses less digits than its factorization.
42222000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284 (or 268 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 42222000 is about 6497.8457968776. The cubic root of 42222000 is about 348.2140313702.
Adding to 42222000 its reverse (22224), we get a palindrome (42244224).
It can be divided in two parts, 422 and 22000, that added together give a palindrome (22422).
The spelling of 42222000 in words is "forty-two million, two hundred twenty-two thousand".
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