Base | Representation |
---|---|
bin | 111100111011001… |
… | …010111011010110 |
3 | 2122020100022021010 |
4 | 330323022323112 |
5 | 4043132103324 |
6 | 245232033050 |
7 | 34221040200 |
oct | 7473127326 |
9 | 2566308233 |
10 | 1022144214 |
11 | 484a79093 |
12 | 246392786 |
13 | 1339c1580 |
14 | 99a73770 |
15 | 5eb07829 |
hex | 3cecaed6 |
1022144214 has 96 divisors (see below), whose sum is σ = 2643895296. Its totient is φ = 260850240.
The previous prime is 1022144213. The next prime is 1022144231. The reversal of 1022144214 is 4124412201.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1022144213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114169 + ... + 122795.
It is an arithmetic number, because the mean of its divisors is an integer number (27540576).
Almost surely, 21022144214 is an apocalyptic number.
1022144214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1022144214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321947648).
1022144214 is an abundant number, since it is smaller than the sum of its proper divisors (1621751082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1022144214 is a wasteful number, since it uses less digits than its factorization.
1022144214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8690 (or 8683 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 1022144214 is about 31970.9901942370. The cubic root of 1022144214 is about 1007.3275800891.
Adding to 1022144214 its reverse (4124412201), we get a palindrome (5146556415).
The spelling of 1022144214 in words is "one billion, twenty-two million, one hundred forty-four thousand, two hundred fourteen".
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