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1152245 = 5230449
BaseRepresentation
bin100011001010011110101
32011112120202
410121103311
5243332440
640410245
712536213
oct4312365
92145522
101152245
11717776
12476985
13314603
1421dcb3
1517b615
hex1194f5

1152245 has 4 divisors (see below), whose sum is σ = 1382700. Its totient is φ = 921792.

The previous prime is 1152233. The next prime is 1152287. The reversal of 1152245 is 5422511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5422511 = 6780933.

It can be written as a sum of positive squares in 2 ways, for example, as 908209 + 244036 = 953^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152245 - 26 = 1152181 is a prime.

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, 115220 + ... + 115229.

It is an arithmetic number, because the mean of its divisors is an integer number (345675).

21152245 is an apocalyptic number.

It is an amenable number.

1152245 is a deficient number, since it is larger than the sum of its proper divisors (230455).

1152245 is an equidigital number, since it uses as much as digits as its factorization.

1152245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230454.

The product of its digits is 400, while the sum is 20.

The square root of 1152245 is about 1073.4267557686. The cubic root of 1152245 is about 104.8370867421.

Adding to 1152245 its reverse (5422511), we get a palindrome (6574756).

The spelling of 1152245 in words is "one million, one hundred fifty-two thousand, two hundred forty-five".

Divisors: 1 5 230449 1152245