Base | Representation |
---|---|
bin | 100100010111100… |
… | …1010011110001110 |
3 | 10011001020211202002 |
4 | 1020233022132032 |
5 | 4444400320324 |
6 | 321031432302 |
7 | 42145401425 |
oct | 11057123616 |
9 | 3131224662 |
10 | 1220323214 |
11 | 576927990 |
12 | 2a0825692 |
13 | 165a8ba56 |
14 | b81002bc |
15 | 722023ae |
hex | 48bca78e |
1220323214 has 16 divisors (see below), whose sum is σ = 2001936816. Its totient is φ = 553291200.
The previous prime is 1220323201. The next prime is 1220323229. The reversal of 1220323214 is 4123230221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61127 + ... + 78594.
It is an arithmetic number, because the mean of its divisors is an integer number (125121051).
Almost surely, 21220323214 is an apocalyptic number.
1220323214 is a deficient number, since it is larger than the sum of its proper divisors (781613602).
1220323214 is a wasteful number, since it uses less digits than its factorization.
1220323214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140131.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1220323214 is about 34933.1248816936. The cubic root of 1220323214 is about 1068.6240835023.
Adding to 1220323214 its reverse (4123230221), we get a palindrome (5343553435).
The spelling of 1220323214 in words is "one billion, two hundred twenty million, three hundred twenty-three thousand, two hundred fourteen".
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