Base | Representation |
---|---|
bin | 11010011110100… |
… | …111010110110110 |
3 | 1010221220101022100 |
4 | 122132213112312 |
5 | 1402210430032 |
6 | 112025242530 |
7 | 14002630233 |
oct | 3236472666 |
9 | 1127811270 |
10 | 444233142 |
11 | 208837a31 |
12 | 104933446 |
13 | 7105ab62 |
14 | 42dda78a |
15 | 28eee97c |
hex | 1a7a75b6 |
444233142 has 12 divisors (see below), whose sum is σ = 962505180. Its totient is φ = 148077708.
The previous prime is 444233123. The next prime is 444233159. The reversal of 444233142 is 241332444.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12339792 + ... + 12339827.
It is an arithmetic number, because the mean of its divisors is an integer number (80208765).
Almost surely, 2444233142 is an apocalyptic number.
444233142 is an abundant number, since it is smaller than the sum of its proper divisors (518272038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444233142 is a wasteful number, since it uses less digits than its factorization.
444233142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24679627 (or 24679624 counting only the distinct ones).
The product of its digits is 9216, while the sum is 27.
The square root of 444233142 is about 21076.8389944982. The cubic root of 444233142 is about 763.0218687387.
Adding to 444233142 its reverse (241332444), we get a palindrome (685565586).
It can be divided in two parts, 444 and 233142, that added together give a triangular number (233586 = T683).
The spelling of 444233142 in words is "four hundred forty-four million, two hundred thirty-three thousand, one hundred forty-two".
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