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1289094 = 23214849
BaseRepresentation
bin100111010101110000110
32102111022020
410322232012
5312222334
643344010
713646202
oct4725606
92374266
101289094
11800574
12522006
133619a1
14257b02
151a6e49
hex13ab86

1289094 has 8 divisors (see below), whose sum is σ = 2578200. Its totient is φ = 429696.

The previous prime is 1289083. The next prime is 1289111. The reversal of 1289094 is 4909821.

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

1289094 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 107419 + ... + 107430.

It is an arithmetic number, because the mean of its divisors is an integer number (322275).

21289094 is an apocalyptic number.

1289094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1289094 is a wasteful number, since it uses less digits than its factorization.

1289094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214854.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1289094 is about 1135.3827548453. The cubic root of 1289094 is about 108.8332326214.

The spelling of 1289094 in words is "one million, two hundred eighty-nine thousand, ninety-four".

Divisors: 1 2 3 6 214849 429698 644547 1289094