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3885000385 = 57199557789
BaseRepresentation
bin1110011110010000…
…0110011011000001
3101000202022110122011
43213210012123001
530424030003020
61441301012521
7165162646510
oct34744063301
911022273564
103885000385
111713a88322
129050b4141
1349bb587c6
1428bd7a677
1517b10b35a
hexe79066c1

3885000385 has 16 divisors (see below), whose sum is σ = 5354784000. Its totient is φ = 2650608576.

The previous prime is 3885000373. The next prime is 3885000389. The reversal of 3885000385 is 5830005883.

It is not a de Polignac number, because 3885000385 - 27 = 3885000257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3885000389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271930 + ... + 285859.

It is an arithmetic number, because the mean of its divisors is an integer number (334674000).

Almost surely, 23885000385 is an apocalyptic number.

3885000385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3885000385 is a deficient number, since it is larger than the sum of its proper divisors (1469783615).

3885000385 is a wasteful number, since it uses less digits than its factorization.

3885000385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558000.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 3885000385 is about 62329.7712574015. The cubic root of 3885000385 is about 1572.0403489882.

The spelling of 3885000385 in words is "three billion, eight hundred eighty-five million, three hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 7 35 199 995 1393 6965 557789 2788945 3904523 19522615 111000011 555000055 777000077 3885000385