Base | Representation |
---|---|
bin | 100100100110010… |
… | …0101110011111011 |
3 | 10011120202202120121 |
4 | 1021030211303323 |
5 | 10003334143441 |
6 | 321505034111 |
7 | 42301100611 |
oct | 11114456373 |
9 | 3146682517 |
10 | 1228037371 |
11 | 580216720 |
12 | 2a3325937 |
13 | 167560042 |
14 | b914b6b1 |
15 | 72c27dd1 |
hex | 49325cfb |
1228037371 has 16 divisors (see below), whose sum is σ = 1391717376. Its totient is φ = 1073800000.
The previous prime is 1228037351. The next prime is 1228037407. The reversal of 1228037371 is 1737308221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1228037371 - 27 = 1228037243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1228037341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12846 + ... + 51196.
It is an arithmetic number, because the mean of its divisors is an integer number (86982336).
Almost surely, 21228037371 is an apocalyptic number.
1228037371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1228037371 is a deficient number, since it is larger than the sum of its proper divisors (163680005).
1228037371 is a wasteful number, since it uses less digits than its factorization.
1228037371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38474.
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 1228037371 is about 35043.3641507205. The cubic root of 1228037371 is about 1070.8710905160.
The spelling of 1228037371 in words is "one billion, two hundred twenty-eight million, thirty-seven thousand, three hundred seventy-one".
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