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34144209 = 32111931787
BaseRepresentation
bin1000001000111…
…1111111010001
32101020201001100
42002033333101
532220103314
63215455013
7563135541
oct202177721
971221040
1034144209
1118301060
12b527469
1370c6398
14476b321
152ee6c09
hex208ffd1

34144209 has 24 divisors (see below), whose sum is σ = 54112032. Its totient is φ = 20574720.

The previous prime is 34144207. The next prime is 34144301. The reversal of 34144209 is 90244143.

It is not a de Polignac number, because 34144209 - 21 = 34144207 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34144207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18214 + ... + 20000.

It is an arithmetic number, because the mean of its divisors is an integer number (2254668).

Almost surely, 234144209 is an apocalyptic number.

It is an amenable number.

34144209 is a deficient number, since it is larger than the sum of its proper divisors (19967823).

34144209 is a wasteful number, since it uses less digits than its factorization.

34144209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 34144209 is about 5843.3046300873. The cubic root of 34144209 is about 324.4185548563.

The spelling of 34144209 in words is "thirty-four million, one hundred forty-four thousand, two hundred nine".

Divisors: 1 3 9 11 33 99 193 579 1737 1787 2123 5361 6369 16083 19107 19657 58971 176913 344891 1034673 3104019 3793801 11381403 34144209