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3838837085 = 5767767417
BaseRepresentation
bin1110010011010000…
…0000000101011101
3100220112110010111022
43210310000011131
530330220241320
61432531333525
7164062401566
oct34464000535
910815403438
103838837085
11169aa18136
128b17512a5
13492414845
14285ba116d
1517703d325
hexe4d0015d

3838837085 has 4 divisors (see below), whose sum is σ = 4606604508. Its totient is φ = 3071069664.

The previous prime is 3838837081. The next prime is 3838837109. The reversal of 3838837085 is 5807388383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1308847684 + 2529989401 = 36178^2 + 50299^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838837085 - 22 = 3838837081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838837081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383883704 + ... + 383883713.

It is an arithmetic number, because the mean of its divisors is an integer number (1151651127).

Almost surely, 23838837085 is an apocalyptic number.

It is an amenable number.

3838837085 is a deficient number, since it is larger than the sum of its proper divisors (767767423).

3838837085 is an equidigital number, since it uses as much as digits as its factorization.

3838837085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767767422.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The square root of 3838837085 is about 61958.3495987425. The cubic root of 3838837085 is about 1565.7889620939.

The spelling of 3838837085 in words is "three billion, eight hundred thirty-eight million, eight hundred thirty-seven thousand, eighty-five".

Divisors: 1 5 767767417 3838837085