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1452145 = 5290429
BaseRepresentation
bin101100010100001110001
32201202222011
411202201301
5332432040
651042521
715225442
oct5424161
92652864
101452145
11902022
125a0441
133bac76
1429b2c9
151da3ea
hex162871

1452145 has 4 divisors (see below), whose sum is σ = 1742580. Its totient is φ = 1161712.

The previous prime is 1452131. The next prime is 1452149. The reversal of 1452145 is 5412541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5412541 = 8296529.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 613089 = 916^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452145 - 29 = 1451633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1452149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145210 + ... + 145219.

It is an arithmetic number, because the mean of its divisors is an integer number (435645).

21452145 is an apocalyptic number.

It is an amenable number.

1452145 is a deficient number, since it is larger than the sum of its proper divisors (290435).

1452145 is an equidigital number, since it uses as much as digits as its factorization.

1452145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290434.

The product of its digits is 800, while the sum is 22.

The square root of 1452145 is about 1205.0497915024. The cubic root of 1452145 is about 113.2409040706.

Adding to 1452145 its reverse (5412541), we get a palindrome (6864686).

The spelling of 1452145 in words is "one million, four hundred fifty-two thousand, one hundred forty-five".

Divisors: 1 5 290429 1452145