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344527445 = 568905489
BaseRepresentation
bin10100100010010…
…001001001010101
3220000021210210202
4110202101021111
51201144334240
654104230245
711352302123
oct2442211125
9800253722
10344527445
11167527629
129746b385
13564bb2c2
1433a84913
15203a7315
hex14891255

344527445 has 4 divisors (see below), whose sum is σ = 413432940. Its totient is φ = 275621952.

The previous prime is 344527441. The next prime is 344527483. The reversal of 344527445 is 544725443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544725443 = 1673261829.

It can be written as a sum of positive squares in 2 ways, for example, as 262407601 + 82119844 = 16199^2 + 9062^2 .

It is a cyclic number.

It is not a de Polignac number, because 344527445 - 22 = 344527441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344527399 and 344527408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344527441) 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, 34452740 + ... + 34452749.

It is an arithmetic number, because the mean of its divisors is an integer number (103358235).

Almost surely, 2344527445 is an apocalyptic number.

It is an amenable number.

344527445 is a deficient number, since it is larger than the sum of its proper divisors (68905495).

344527445 is an equidigital number, since it uses as much as digits as its factorization.

344527445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68905494.

The product of its digits is 268800, while the sum is 38.

The square root of 344527445 is about 18561.4505090524. The cubic root of 344527445 is about 701.0375396308.

The spelling of 344527445 in words is "three hundred forty-four million, five hundred twenty-seven thousand, four hundred forty-five".

Divisors: 1 5 68905489 344527445