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344532145 = 5149346153
BaseRepresentation
bin10100100010010…
…010010010110001
3220000022001020211
4110202102102301
51201200012040
654104304121
711352321616
oct2442222261
9800261224
10344532145
11167530111
1297472041
13564c0499
1433a8650d
15203a88ea
hex148924b1

344532145 has 8 divisors (see below), whose sum is σ = 413724456. Its totient is φ = 275435136.

The previous prime is 344532107. The next prime is 344532161. The reversal of 344532145 is 541235443.

It can be written as a sum of positive squares in 4 ways, for example, as 175324081 + 169208064 = 13241^2 + 13008^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344532145 - 27 = 344532017 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 15612 + ... + 30541.

It is an arithmetic number, because the mean of its divisors is an integer number (51715557).

Almost surely, 2344532145 is an apocalyptic number.

It is an amenable number.

344532145 is a deficient number, since it is larger than the sum of its proper divisors (69192311).

344532145 is a wasteful number, since it uses less digits than its factorization.

344532145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47651.

The product of its digits is 28800, while the sum is 31.

The square root of 344532145 is about 18561.5771151053. The cubic root of 344532145 is about 701.0407274382.

Adding to 344532145 its reverse (541235443), we get a palindrome (885767588).

The spelling of 344532145 in words is "three hundred forty-four million, five hundred thirty-two thousand, one hundred forty-five".

Divisors: 1 5 1493 7465 46153 230765 68906429 344532145