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3906089289 = 32434009921
BaseRepresentation
bin1110100011010010…
…0011000101001001
3101002012222220011200
43220310203011021
530444424324124
61443333014413
7165540132264
oct35064430511
911065886150
103906089289
111724981773
12910184409
134a333074b
14290aa9cdb
1517cdc4bc9
hexe8d23149

3906089289 has 6 divisors (see below), whose sum is σ = 5642128986. Its totient is φ = 2604059520.

The previous prime is 3906089273. The next prime is 3906089309. The reversal of 3906089289 is 9829806093.

3906089289 is a `hidden beast` number, since 3 + 9 + 0 + 608 + 9 + 28 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3804422400 + 101666889 = 61680^2 + 10083^2 .

It is not a de Polignac number, because 3906089289 - 24 = 3906089273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3906089389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217004952 + ... + 217004969.

It is an arithmetic number, because the mean of its divisors is an integer number (940354831).

Almost surely, 23906089289 is an apocalyptic number.

It is an amenable number.

3906089289 is a deficient number, since it is larger than the sum of its proper divisors (1736039697).

3906089289 is a wasteful number, since it uses less digits than its factorization.

3906089289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434009927 (or 434009924 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 3906089289 is about 62498.7142987758. The cubic root of 3906089289 is about 1574.8797138674.

The spelling of 3906089289 in words is "three billion, nine hundred six million, eighty-nine thousand, two hundred eighty-nine".

Divisors: 1 3 9 434009921 1302029763 3906089289