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3870052409 is a prime number
BaseRepresentation
bin1110011010101100…
…0101000000111001
3100222201012000212102
43212223011000321
530411213134114
61440004353145
7164621621426
oct34653050071
910881160772
103870052409
1117065a8723
129000a57b5
13498a23a52
14289da8d4d
15179b572de
hexe6ac5039

3870052409 has 2 divisors, whose sum is σ = 3870052410. Its totient is φ = 3870052408.

The previous prime is 3870052391. The next prime is 3870052447. The reversal of 3870052409 is 9042500783.

It is an a-pointer prime, because the next prime (3870052447) can be obtained adding 3870052409 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3209562409 + 660490000 = 56653^2 + 25700^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870052409 - 216 = 3869986873 is a prime.

It is not a weakly prime, because it can be changed into another prime (3870052609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935026204 + 1935026205.

It is an arithmetic number, because the mean of its divisors is an integer number (1935026205).

Almost surely, 23870052409 is an apocalyptic number.

It is an amenable number.

3870052409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870052409 is an equidigital number, since it uses as much as digits as its factorization.

3870052409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 3870052409 is about 62209.7452896248. The cubic root of 3870052409 is about 1570.0215569004.

The spelling of 3870052409 in words is "three billion, eight hundred seventy million, fifty-two thousand, four hundred nine".