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34388905 = 59077583
BaseRepresentation
bin1000001100101…
…1101110101001
32101201010201011
42003023232221
532300421110
63225023521
7565205125
oct203135651
971633634
1034388905
1118458991
12b624ba1
137180885
1447d2585
15304448a
hex20cbba9

34388905 has 8 divisors (see below), whose sum is σ = 41317632. Its totient is φ = 27477168.

The previous prime is 34388899. The next prime is 34388923. The reversal of 34388905 is 50988343.

34388905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34388905 - 23 = 34388897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 744 + ... + 8326.

It is an arithmetic number, because the mean of its divisors is an integer number (5164704).

Almost surely, 234388905 is an apocalyptic number.

It is an amenable number.

34388905 is a deficient number, since it is larger than the sum of its proper divisors (6928727).

34388905 is an equidigital number, since it uses as much as digits as its factorization.

34388905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 34388905 is about 5864.2054022689. The cubic root of 34388905 is about 325.1916975580.

The spelling of 34388905 in words is "thirty-four million, three hundred eighty-eight thousand, nine hundred five".

Divisors: 1 5 907 4535 7583 37915 6877781 34388905