Base | Representation |
---|---|
bin | 101010010110010… |
… | …1100010111110101 |
3 | 10200000212101121012 |
4 | 1110230230113311 |
5 | 10402234032404 |
6 | 353001002005 |
7 | 50133214433 |
oct | 12454542765 |
9 | 3600771535 |
10 | 1421002229 |
11 | 66a134009 |
12 | 337a83305 |
13 | 19852312a |
14 | d6a1bd53 |
15 | 84b42a6e |
hex | 54b2c5f5 |
1421002229 has 16 divisors (see below), whose sum is σ = 1516095360. Its totient is φ = 1328040000.
The previous prime is 1421002201. The next prime is 1421002237. The reversal of 1421002229 is 9222001241.
It is a cyclic number.
It is not a de Polignac number, because 1421002229 - 28 = 1421001973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1421002249) 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, 595619 + ... + 597999.
It is an arithmetic number, because the mean of its divisors is an integer number (94755960).
Almost surely, 21421002229 is an apocalyptic number.
1421002229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1421002229 is a deficient number, since it is larger than the sum of its proper divisors (95093131).
1421002229 is a wasteful number, since it uses less digits than its factorization.
1421002229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2812.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 1421002229 is about 37696.1832152806. The cubic root of 1421002229 is about 1124.2552381633.
The spelling of 1421002229 in words is "one billion, four hundred twenty-one million, two thousand, two hundred twenty-nine".
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