Base | Representation |
---|---|
bin | 100100010110111… |
… | …1101010101000010 |
3 | 10011000122210022010 |
4 | 1020231331111002 |
5 | 4444310212414 |
6 | 321020553350 |
7 | 42142614255 |
oct | 11055752502 |
9 | 3130583263 |
10 | 1220007234 |
11 | 576731546 |
12 | 2a06b2856 |
13 | 1659aac94 |
14 | b805b09c |
15 | 7218d959 |
hex | 48b7d542 |
1220007234 has 16 divisors (see below), whose sum is σ = 2499527520. Its totient is φ = 396750240.
The previous prime is 1220007211. The next prime is 1220007379. The reversal of 1220007234 is 4327000221.
It is a self number, because there is not a number n which added to its sum of digits gives 1220007234.
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, 2479444 + ... + 2479935.
It is an arithmetic number, because the mean of its divisors is an integer number (156220470).
Almost surely, 21220007234 is an apocalyptic number.
1220007234 is an abundant number, since it is smaller than the sum of its proper divisors (1279520286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220007234 is a wasteful number, since it uses less digits than its factorization.
1220007234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4959425.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 1220007234 is about 34928.6019474012. The cubic root of 1220007234 is about 1068.5318420966.
Adding to 1220007234 its reverse (4327000221), we get a palindrome (5547007455).
The spelling of 1220007234 in words is "one billion, two hundred twenty million, seven thousand, two hundred thirty-four".
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