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34444145 = 56888829
BaseRepresentation
bin1000001101100…
…1001101110001
32101210221111002
42003121031301
532304203040
63230131345
7565525151
oct203311561
971727432
1034444145
111849643a
12b650b55
13719ca68
144808761
153055a15
hex20d9371

34444145 has 4 divisors (see below), whose sum is σ = 41332980. Its totient is φ = 27555312.

The previous prime is 34444139. The next prime is 34444147. The reversal of 34444145 is 54144443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24433249 + 10010896 = 4943^2 + 3164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34444145 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34444147) 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, 3444410 + ... + 3444419.

It is an arithmetic number, because the mean of its divisors is an integer number (10333245).

Almost surely, 234444145 is an apocalyptic number.

It is an amenable number.

34444145 is a deficient number, since it is larger than the sum of its proper divisors (6888835).

34444145 is an equidigital number, since it uses as much as digits as its factorization.

34444145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888834.

The product of its digits is 15360, while the sum is 29.

The square root of 34444145 is about 5868.9134428785. The cubic root of 34444145 is about 325.3657263565.

Adding to 34444145 its reverse (54144443), we get a palindrome (88588588).

It can be divided in two parts, 34444 and 145, that multiplied together give a triangular number (4994380 = T3160).

The spelling of 34444145 in words is "thirty-four million, four hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 6888829 34444145