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3943085 = 51814357
BaseRepresentation
bin1111000010101010101101
321102022220012
433002222231
52002134320
6220303005
745341606
oct17025255
97368805
103943085
112253553
1213a1a65
13a809b3
14748dad
1552d4c5
hex3c2aad

3943085 has 8 divisors (see below), whose sum is σ = 4758936. Its totient is φ = 3136320.

The previous prime is 3943061. The next prime is 3943087. The reversal of 3943085 is 5803493.

It can be written as a sum of positive squares in 4 ways, for example, as 487204 + 3455881 = 698^2 + 1859^2 .

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

It is not a de Polignac number, because 3943085 - 26 = 3943021 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 (3943087) 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, 1274 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (594867).

Almost surely, 23943085 is an apocalyptic number.

It is an amenable number.

3943085 is a deficient number, since it is larger than the sum of its proper divisors (815851).

3943085 is a wasteful number, since it uses less digits than its factorization.

3943085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3943085 is about 1985.7202723445. The cubic root of 3943085 is about 157.9836147085.

The spelling of 3943085 in words is "three million, nine hundred forty-three thousand, eighty-five".

Divisors: 1 5 181 905 4357 21785 788617 3943085