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1049389 = 11195021
BaseRepresentation
bin100000000001100101101
31222022111021
410000030231
5232040024
634254141
711630305
oct4001455
91868437
101049389
11657470
12427351
132a9853
141d4605
1515ade4
hex10032d

1049389 has 8 divisors (see below), whose sum is σ = 1205280. Its totient is φ = 903600.

The previous prime is 1049387. The next prime is 1049413. The reversal of 1049389 is 9839401.

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

It is a cyclic number.

It is not a de Polignac number, because 1049389 - 21 = 1049387 is a prime.

It is a super-2 number, since 2×10493892 = 2202434546642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302 + ... + 2719.

It is an arithmetic number, because the mean of its divisors is an integer number (150660).

21049389 is an apocalyptic number.

1049389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1049389 is a deficient number, since it is larger than the sum of its proper divisors (155891).

1049389 is a wasteful number, since it uses less digits than its factorization.

1049389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1049389 is about 1024.3968957391. The cubic root of 1049389 is about 101.6199169935.

The spelling of 1049389 in words is "one million, forty-nine thousand, three hundred eighty-nine".

Divisors: 1 11 19 209 5021 55231 95399 1049389