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34311005 = 56862201
BaseRepresentation
bin1000001011100…
…0101101011101
32101120011211222
42002320231131
532240423010
63223223125
7564432041
oct202705535
971504758
1034311005
1118405403
12b5a7aa5
137154291
1447b2021
15302b355
hex20b8b5d

34311005 has 4 divisors (see below), whose sum is σ = 41173212. Its totient is φ = 27448800.

The previous prime is 34311001. The next prime is 34311007. The reversal of 34311005 is 50011343.

34311005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50011343 = 75166593.

It can be written as a sum of positive squares in 2 ways, for example, as 24344356 + 9966649 = 4934^2 + 3157^2 .

It is not a de Polignac number, because 34311005 - 22 = 34311001 is a prime.

It is a super-2 number, since 2×343110052 = 2354490128220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34311001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431096 + ... + 3431105.

It is an arithmetic number, because the mean of its divisors is an integer number (10293303).

Almost surely, 234311005 is an apocalyptic number.

It is an amenable number.

34311005 is a deficient number, since it is larger than the sum of its proper divisors (6862207).

34311005 is an equidigital number, since it uses as much as digits as its factorization.

34311005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862206.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 34311005 is about 5857.5596454496. The cubic root of 34311005 is about 324.9459634026.

Adding to 34311005 its reverse (50011343), we get a palindrome (84322348).

The spelling of 34311005 in words is "thirty-four million, three hundred eleven thousand, five".

Divisors: 1 5 6862201 34311005