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1145886 = 23727283
BaseRepresentation
bin100010111110000011110
32011012212020
410113300132
5243132021
640321010
712511530
oct4276036
92135766
101145886
11712a15
12473166
13311751
1421b850
151797c6
hex117c1e

1145886 has 16 divisors (see below), whose sum is σ = 2619264. Its totient is φ = 327384.

The previous prime is 1145873. The next prime is 1145897. The reversal of 1145886 is 6885411.

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 7 ways as a sum of consecutive naturals, for example, 13600 + ... + 13683.

It is an arithmetic number, because the mean of its divisors is an integer number (163704).

21145886 is an apocalyptic number.

1145886 is an abundant number, since it is smaller than the sum of its proper divisors (1473378).

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

1145886 is a wasteful number, since it uses less digits than its factorization.

1145886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27295.

The product of its digits is 7680, while the sum is 33.

The square root of 1145886 is about 1070.4606485061. The cubic root of 1145886 is about 104.6438728588.

The spelling of 1145886 in words is "one million, one hundred forty-five thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 27283 54566 81849 163698 190981 381962 572943 1145886