Base | Representation |
---|---|
bin | 11010011110100… |
… | …010001110100100 |
3 | 1010221212022111012 |
4 | 122132202032210 |
5 | 1402204242012 |
6 | 112025001352 |
7 | 14002512050 |
oct | 3236421644 |
9 | 1127768435 |
10 | 444212132 |
11 | 208823171 |
12 | 104923258 |
13 | 71051420 |
14 | 42dd2c60 |
15 | 28ee8622 |
hex | 1a7a23a4 |
444212132 has 24 divisors (see below), whose sum is σ = 956765376. Its totient is φ = 175732128.
The previous prime is 444212129. The next prime is 444212137. The reversal of 444212132 is 231212444.
It is a junction number, because it is equal to n+sod(n) for n = 444212098 and 444212107.
It is not an unprimeable number, because it can be changed into a prime (444212137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609818 + ... + 610545.
It is an arithmetic number, because the mean of its divisors is an integer number (39865224).
Almost surely, 2444212132 is an apocalyptic number.
It is an amenable number.
444212132 is an abundant number, since it is smaller than the sum of its proper divisors (512553244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444212132 is a wasteful number, since it uses less digits than its factorization.
444212132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1220387 (or 1220385 counting only the distinct ones).
The product of its digits is 1536, while the sum is 23.
The square root of 444212132 is about 21076.3405742078. The cubic root of 444212132 is about 763.0098395130.
Adding to 444212132 its reverse (231212444), we get a palindrome (675424576).
The spelling of 444212132 in words is "four hundred forty-four million, two hundred twelve thousand, one hundred thirty-two".
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