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1428082 = 22932437
BaseRepresentation
bin101011100101001110010
32200112221221
411130221302
5331144312
650335254
715065335
oct5345162
92615857
101428082
11895a37
1258a52a
133b0026
1429261c
151d3207
hex15ca72

1428082 has 8 divisors (see below), whose sum is σ = 2150316. Its totient is φ = 711312.

The previous prime is 1428079. The next prime is 1428109. The reversal of 1428082 is 2808241.

It can be written as a sum of positive squares in 2 ways, for example, as 1042441 + 385641 = 1021^2 + 621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633 + ... + 1804.

21428082 is an apocalyptic number.

1428082 is a deficient number, since it is larger than the sum of its proper divisors (722234).

1428082 is a wasteful number, since it uses less digits than its factorization.

1428082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1428082 is about 1195.0238491344. The cubic root of 1428082 is about 112.6119248245.

The spelling of 1428082 in words is "one million, four hundred twenty-eight thousand, eighty-two".

Divisors: 1 2 293 586 2437 4874 714041 1428082