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34030749 = 311343583
BaseRepresentation
bin1000000111010…
…0010010011101
32101000221102010
42001310102131
532202440444
63213221433
7562154004
oct201642235
971027363
1034030749
1118233895
12b491879
13708684c
14473bc3b
152ec32b9
hex207449d

34030749 has 4 divisors (see below), whose sum is σ = 45374336. Its totient is φ = 22687164.

The previous prime is 34030739. The next prime is 34030771. The reversal of 34030749 is 94703043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94703043 = 331567681.

It is not a de Polignac number, because 34030749 - 27 = 34030621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34030739) 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, 5671789 + ... + 5671794.

It is an arithmetic number, because the mean of its divisors is an integer number (11343584).

Almost surely, 234030749 is an apocalyptic number.

It is an amenable number.

34030749 is a deficient number, since it is larger than the sum of its proper divisors (11343587).

34030749 is a wasteful number, since it uses less digits than its factorization.

34030749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343586.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 34030749 is about 5833.5880039646. The cubic root of 34030749 is about 324.0588122928.

The spelling of 34030749 in words is "thirty-four million, thirty thousand, seven hundred forty-nine".

Divisors: 1 3 11343583 34030749