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34393853 = 132645681
BaseRepresentation
bin1000001100110…
…0111011111101
32101201101111102
42003030323331
532301100403
63225102445
7565225424
oct203147375
971641442
1034393853
111846167a
12b627a25
137182bc0
1447d42bb
153045b88
hex20ccefd

34393853 has 4 divisors (see below), whose sum is σ = 37039548. Its totient is φ = 31748160.

The previous prime is 34393837. The next prime is 34393859. The reversal of 34393853 is 35839343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35839343 = 139257837.

It can be written as a sum of positive squares in 2 ways, for example, as 20052484 + 14341369 = 4478^2 + 3787^2 .

It is a cyclic number.

It is not a de Polignac number, because 34393853 - 24 = 34393837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34393859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322828 + ... + 1322853.

It is an arithmetic number, because the mean of its divisors is an integer number (9259887).

Almost surely, 234393853 is an apocalyptic number.

It is an amenable number.

34393853 is a deficient number, since it is larger than the sum of its proper divisors (2645695).

34393853 is a wasteful number, since it uses less digits than its factorization.

34393853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645694.

The product of its digits is 116640, while the sum is 38.

The square root of 34393853 is about 5864.6272686335. The cubic root of 34393853 is about 325.2072933958.

The spelling of 34393853 in words is "thirty-four million, three hundred ninety-three thousand, eight hundred fifty-three".

Divisors: 1 13 2645681 34393853