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34939691 = 239715661
BaseRepresentation
bin1000010101001…
…0001100101011
32102202010020122
42011102030223
532421032231
63244513455
7602660663
oct205221453
972663218
1034939691
11187a4786
12b84b88b
137314497
1448d71a3
15310277b
hex215232b

34939691 has 8 divisors (see below), whose sum is σ = 36837024. Its totient is φ = 33073920.

The previous prime is 34939669. The next prime is 34939711. The reversal of 34939691 is 19693943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34939691 - 26 = 34939627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34939601) 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 7 ways as a sum of consecutive naturals, for example, 5600 + ... + 10061.

It is an arithmetic number, because the mean of its divisors is an integer number (4604628).

Almost surely, 234939691 is an apocalyptic number.

34939691 is a deficient number, since it is larger than the sum of its proper divisors (1897333).

34939691 is a wasteful number, since it uses less digits than its factorization.

34939691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15781.

The product of its digits is 157464, while the sum is 44.

The square root of 34939691 is about 5910.9805447151. The cubic root of 34939691 is about 326.9186422992.

The spelling of 34939691 in words is "thirty-four million, nine hundred thirty-nine thousand, six hundred ninety-one".

Divisors: 1 23 97 2231 15661 360203 1519117 34939691