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34026805 = 523332917
BaseRepresentation
bin1000000111001…
…1010100110101
32101000202000001
42001303110311
532202324210
63213151301
7562136341
oct201632465
971022001
1034026805
111823092a
12b48b531
137084b07
14473a621
152ec203a
hex2073535

34026805 has 8 divisors (see below), whose sum is σ = 40863672. Its totient is φ = 27200448.

The previous prime is 34026787. The next prime is 34026823. The reversal of 34026805 is 50862043.

It is an interprime number because it is at equal distance from previous prime (34026787) and next prime (34026823).

It can be written as a sum of positive squares in 4 ways, for example, as 11350161 + 22676644 = 3369^2 + 4762^2 .

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 34026805 - 219 = 33502517 is a prime.

It is a Duffinian number.

It is a congruent 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, 10207 + ... + 13123.

It is an arithmetic number, because the mean of its divisors is an integer number (5107959).

Almost surely, 234026805 is an apocalyptic number.

34026805 is the 2917-th decagonal number.

It is an amenable number.

34026805 is a deficient number, since it is larger than the sum of its proper divisors (6836867).

34026805 is a wasteful number, since it uses less digits than its factorization.

34026805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 34026805 is about 5833.2499517850. The cubic root of 34026805 is about 324.0462928570.

Adding to 34026805 its reverse (50862043), we get a palindrome (84888848).

It can be divided in two parts, 3402 and 6805, that multiplied together give a triangular number (23150610 = T6804).

The spelling of 34026805 in words is "thirty-four million, twenty-six thousand, eight hundred five".

Divisors: 1 5 2333 2917 11665 14585 6805361 34026805