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3245642909 = 19295890459
BaseRepresentation
bin1100000101110100…
…1001010010011101
322101012020202001122
43001131021102131
523121341033114
61254021220325
7143300336525
oct30135112235
98335222048
103245642909
111416098613
12766b616a5
133c955c982
1422b0aa685
1513ee16e8e
hexc174949d

3245642909 has 8 divisors (see below), whose sum is σ = 3534276000. Its totient is φ = 2968790832.

The previous prime is 3245642843. The next prime is 3245642957. The reversal of 3245642909 is 9092465423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3245642909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3245642909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245642509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944679 + ... + 2945780.

It is an arithmetic number, because the mean of its divisors is an integer number (441784500).

Almost surely, 23245642909 is an apocalyptic number.

It is an amenable number.

3245642909 is a deficient number, since it is larger than the sum of its proper divisors (288633091).

3245642909 is a wasteful number, since it uses less digits than its factorization.

3245642909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890507.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 3245642909 is about 56970.5442224313. The cubic root of 3245642909 is about 1480.5857963812.

The spelling of 3245642909 in words is "three billion, two hundred forty-five million, six hundred forty-two thousand, nine hundred nine".

Divisors: 1 19 29 551 5890459 111918721 170823311 3245642909