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1350869 = 13103913
BaseRepresentation
bin101001001110011010101
32112122001012
411021303111
5321211434
644542005
714324252
oct5116325
92478035
101350869
11842a23
12551905
13383b40
14272429
151ba3ce
hex149cd5

1350869 has 4 divisors (see below), whose sum is σ = 1454796. Its totient is φ = 1246944.

The previous prime is 1350857. The next prime is 1350883. The reversal of 1350869 is 9680531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 1129969 = 470^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350869 - 212 = 1346773 is a prime.

It is a super-2 number, since 2×13508692 = 3649694110322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350809) by changing a digit.

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, 51944 + ... + 51969.

It is an arithmetic number, because the mean of its divisors is an integer number (363699).

21350869 is an apocalyptic number.

It is an amenable number.

1350869 is a deficient number, since it is larger than the sum of its proper divisors (103927).

1350869 is a wasteful number, since it uses less digits than its factorization.

1350869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103926.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1350869 is about 1162.2689017607. The cubic root of 1350869 is about 110.5446541199.

The spelling of 1350869 in words is "one million, three hundred fifty thousand, eight hundred sixty-nine".

Divisors: 1 13 103913 1350869