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34289879 = 132637683
BaseRepresentation
bin1000001011001…
…1100011010111
32101112002212112
42002303203113
532234234004
63222541235
7564313331
oct202634327
971462775
1034289879
11183a0548
12b59781b
137147790
1447a8451
153024e6e
hex20b38d7

34289879 has 4 divisors (see below), whose sum is σ = 36927576. Its totient is φ = 31652184.

The previous prime is 34289839. The next prime is 34289881. The reversal of 34289879 is 97898243.

It is a happy number.

34289879 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: 97898243 = 811120713.

It is a cyclic number.

It is not a de Polignac number, because 34289879 - 220 = 33241303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34289809) 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, 1318829 + ... + 1318854.

It is an arithmetic number, because the mean of its divisors is an integer number (9231894).

Almost surely, 234289879 is an apocalyptic number.

34289879 is a deficient number, since it is larger than the sum of its proper divisors (2637697).

34289879 is a wasteful number, since it uses less digits than its factorization.

34289879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637696.

The product of its digits is 870912, while the sum is 50.

The square root of 34289879 is about 5855.7560570775. The cubic root of 34289879 is about 324.8792577121.

The spelling of 34289879 in words is "thirty-four million, two hundred eighty-nine thousand, eight hundred seventy-nine".

Divisors: 1 13 2637683 34289879