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1354189 = 4133029
BaseRepresentation
bin101001010100111001101
32112210121011
411022213031
5321313224
645005221
714340034
oct5124715
92483534
101354189
11845471
12553811
133854c5
1427371b
151bb394
hex14a9cd

1354189 has 4 divisors (see below), whose sum is σ = 1387260. Its totient is φ = 1321120.

The previous prime is 1354181. The next prime is 1354193. The reversal of 1354189 is 9814531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9814531 = 82911839.

It can be written as a sum of positive squares in 2 ways, for example, as 20164 + 1334025 = 142^2 + 1155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354189 - 23 = 1354181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1354189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354181) 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, 16474 + ... + 16555.

It is an arithmetic number, because the mean of its divisors is an integer number (346815).

21354189 is an apocalyptic number.

It is an amenable number.

1354189 is a deficient number, since it is larger than the sum of its proper divisors (33071).

1354189 is an equidigital number, since it uses as much as digits as its factorization.

1354189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33070.

The product of its digits is 4320, while the sum is 31.

The square root of 1354189 is about 1163.6962662138. The cubic root of 1354189 is about 110.6351410581.

The spelling of 1354189 in words is "one million, three hundred fifty-four thousand, one hundred eighty-nine".

Divisors: 1 41 33029 1354189