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1282884 = 223106907
BaseRepresentation
bin100111001001101000100
32102011210020
410321031010
5312023014
643255140
713622121
oct4711504
92364706
101282884
117a6939
1251a4b0
1335bc05
14255748
151a51a9
hex139344

1282884 has 12 divisors (see below), whose sum is σ = 2993424. Its totient is φ = 427624.

The previous prime is 1282877. The next prime is 1282903. The reversal of 1282884 is 4882821.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53442 + ... + 53465.

It is an arithmetic number, because the mean of its divisors is an integer number (249452).

21282884 is an apocalyptic number.

It is an amenable number.

1282884 is an abundant number, since it is smaller than the sum of its proper divisors (1710540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1282884 is a wasteful number, since it uses less digits than its factorization.

1282884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106914 (or 106912 counting only the distinct ones).

The product of its digits is 8192, while the sum is 33.

The square root of 1282884 is about 1132.6446927435. The cubic root of 1282884 is about 108.6581891254.

The spelling of 1282884 in words is "one million, two hundred eighty-two thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 106907 213814 320721 427628 641442 1282884