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1428851914 = 27937108923
BaseRepresentation
bin101010100101010…
…1000110011001010
310200120122012100021
41111022220303022
510411241230124
6353441131054
750260020010
oct12512506312
93616565307
101428851914
11673605656
1233a629a8a
1319a041009
14d7aa28b0
15856937e4
hex552a8cca

1428851914 has 16 divisors (see below), whose sum is σ = 2452097088. Its totient is φ = 611705952.

The previous prime is 1428851881. The next prime is 1428851917. The reversal of 1428851914 is 4191588241.

It is not an unprimeable number, because it can be changed into a prime (1428851917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41344 + ... + 67579.

It is an arithmetic number, because the mean of its divisors is an integer number (153256068).

Almost surely, 21428851914 is an apocalyptic number.

1428851914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1428851914 is a deficient number, since it is larger than the sum of its proper divisors (1023245174).

1428851914 is a wasteful number, since it uses less digits than its factorization.

1428851914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109869.

The product of its digits is 92160, while the sum is 43.

The square root of 1428851914 is about 37800.1575922641. The cubic root of 1428851914 is about 1126.3215847147.

The spelling of 1428851914 in words is "one billion, four hundred twenty-eight million, eight hundred fifty-one thousand, nine hundred fourteen".

Divisors: 1 2 7 14 937 1874 6559 13118 108923 217846 762461 1524922 102060851 204121702 714425957 1428851914