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34639793 = 194153839
BaseRepresentation
bin1000010000100…
…0111110110001
32102011212212022
42010020332301
532331433133
63234241225
7600301436
oct204107661
972155768
1034639793
111860a431
12b726215
13723ab26
144859b8d
153093998
hex2108fb1

34639793 has 16 divisors (see below), whose sum is σ = 38102400. Its totient is φ = 31374720.

The previous prime is 34639789. The next prime is 34639819. The reversal of 34639793 is 39793643.

It is a cyclic number.

It is not a de Polignac number, because 34639793 - 22 = 34639789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34639763) 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 15 ways as a sum of consecutive naturals, for example, 40868 + ... + 41706.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 234639793 is an apocalyptic number.

It is an amenable number.

34639793 is a deficient number, since it is larger than the sum of its proper divisors (3462607).

34639793 is a wasteful number, since it uses less digits than its factorization.

34639793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its digits is 367416, while the sum is 44.

The square root of 34639793 is about 5885.5580024327. The cubic root of 34639793 is about 325.9806059448.

The spelling of 34639793 in words is "thirty-four million, six hundred thirty-nine thousand, seven hundred ninety-three".

Divisors: 1 19 41 53 779 839 1007 2173 15941 34399 41287 44467 653581 844873 1823147 34639793