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34729081 = 113307337
BaseRepresentation
bin1000010001111…
…0110001111001
32102100102100021
42010132301321
532342312311
63240210441
7601122652
oct204366171
972312307
1034729081
1118670522
12b769a21
13726c66a
144880529
1530b0171
hex211ec79

34729081 has 4 divisors (see below), whose sum is σ = 35036532. Its totient is φ = 34421632.

The previous prime is 34729067. The next prime is 34729087. The reversal of 34729081 is 18092743.

34729081 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8555625 + 26173456 = 2925^2 + 5116^2 .

It is a cyclic number.

It is not a de Polignac number, because 34729081 - 25 = 34729049 is a prime.

It is a super-2 number, since 2×347290812 = 2412218134209122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34729087) 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, 153556 + ... + 153781.

It is an arithmetic number, because the mean of its divisors is an integer number (8759133).

Almost surely, 234729081 is an apocalyptic number.

It is an amenable number.

34729081 is a deficient number, since it is larger than the sum of its proper divisors (307451).

34729081 is a wasteful number, since it uses less digits than its factorization.

34729081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307450.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 34729081 is about 5893.1384677437. The cubic root of 34729081 is about 326.2604496489.

The spelling of 34729081 in words is "thirty-four million, seven hundred twenty-nine thousand, eighty-one".

Divisors: 1 113 307337 34729081