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BaseRepresentation
bin1000001001111…
…0111010100001
32101100210220122
42002132322201
532224032340
63221050025
7563512016
oct202367241
971323818
1034205345
1118342a89
12b556915
137118165
14478570d
153009db5
hex209eea1

34205345 has 8 divisors (see below), whose sum is σ = 41196264. Its totient is φ = 27264384.

The previous prime is 34205333. The next prime is 34205351. The reversal of 34205345 is 54350243.

It can be written as a sum of positive squares in 4 ways, for example, as 5550736 + 28654609 = 2356^2 + 5353^2 .

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 34205345 - 28 = 34205089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10964 + ... + 13733.

It is an arithmetic number, because the mean of its divisors is an integer number (5149533).

Almost surely, 234205345 is an apocalyptic number.

It is an amenable number.

34205345 is a deficient number, since it is larger than the sum of its proper divisors (6990919).

34205345 is a wasteful number, since it uses less digits than its factorization.

34205345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24979.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 34205345 is about 5848.5335768892. The cubic root of 34205345 is about 324.6120657285.

Adding to 34205345 its reverse (54350243), we get a palindrome (88555588).

It can be divided in two parts, 34 and 205345, that added together give a cube (205379 = 593).

The spelling of 34205345 in words is "thirty-four million, two hundred five thousand, three hundred forty-five".

Divisors: 1 5 277 1385 24697 123485 6841069 34205345