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3840086 = 21920043
BaseRepresentation
bin1110101001100001010110
321020002121102
432221201112
51440340321
6214150102
744432405
oct16514126
97202542
103840086
112193128
121352332
13a45b53
1471d63c
1550cc0b
hex3a9856

3840086 has 4 divisors (see below), whose sum is σ = 5760132. Its totient is φ = 1920042.

The previous prime is 3840077. The next prime is 3840091. The reversal of 3840086 is 6800483.

3840086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6800483 = 53128311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960020 + ... + 960023.

It is an arithmetic number, because the mean of its divisors is an integer number (1440033).

Almost surely, 23840086 is an apocalyptic number.

3840086 is a deficient number, since it is larger than the sum of its proper divisors (1920046).

3840086 is a wasteful number, since it uses less digits than its factorization.

3840086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920045.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 3840086 is about 1959.6137374493. The cubic root of 3840086 is about 156.5958746610.

The spelling of 3840086 in words is "three million, eight hundred forty thousand, eighty-six".

Divisors: 1 2 1920043 3840086