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34207193 = 130126293
BaseRepresentation
bin1000001001111…
…1010111011001
32101100220110002
42002133113121
532224112233
63221102345
7563520266
oct202372731
971326402
1034207193
1118344409
12b5579b5
137118c57
14478626d
15300a6e8
hex209f5d9

34207193 has 4 divisors (see below), whose sum is σ = 34234788. Its totient is φ = 34179600.

The previous prime is 34207189. The next prime is 34207219. The reversal of 34207193 is 39170243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39170243 = 75595749.

It can be written as a sum of positive squares in 2 ways, for example, as 16297369 + 17909824 = 4037^2 + 4232^2 .

It is a cyclic number.

It is not a de Polignac number, because 34207193 - 22 = 34207189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34207183) 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, 11846 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (8558697).

Almost surely, 234207193 is an apocalyptic number.

It is an amenable number.

34207193 is a deficient number, since it is larger than the sum of its proper divisors (27595).

34207193 is a wasteful number, since it uses less digits than its factorization.

34207193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27594.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 34207193 is about 5848.6915630763. The cubic root of 34207193 is about 324.6179115234.

The spelling of 34207193 in words is "thirty-four million, two hundred seven thousand, one hundred ninety-three".

Divisors: 1 1301 26293 34207193