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3885985 = 51515147
BaseRepresentation
bin1110110100101110100001
321022102120101
432310232201
51443322420
6215142401
745013255
oct16645641
97272511
103885985
112214664
121374a01
13a609cc
14732265
1551b60a
hex3b4ba1

3885985 has 8 divisors (see below), whose sum is σ = 4694976. Its totient is φ = 3087600.

The previous prime is 3885983. The next prime is 3885989. The reversal of 3885985 is 5895883.

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

It is not a de Polignac number, because 3885985 - 21 = 3885983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885983) 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, 1819 + ... + 3328.

It is an arithmetic number, because the mean of its divisors is an integer number (586872).

Almost surely, 23885985 is an apocalyptic number.

It is an amenable number.

3885985 is a deficient number, since it is larger than the sum of its proper divisors (808991).

3885985 is a wasteful number, since it uses less digits than its factorization.

3885985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303.

The product of its digits is 345600, while the sum is 46.

The square root of 3885985 is about 1971.2901866544. The cubic root of 3885985 is about 157.2173143807.

The spelling of 3885985 in words is "three million, eight hundred eighty-five thousand, nine hundred eighty-five".

Divisors: 1 5 151 755 5147 25735 777197 3885985