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3869983 = 13297691
BaseRepresentation
bin1110110000110100011111
321021121121201
432300310133
51442314413
6214540331
744615515
oct16606437
97247551
103869983
112203637
1213676a7
13a56640
1472a4b5
155169dd
hex3b0d1f

3869983 has 4 divisors (see below), whose sum is σ = 4167688. Its totient is φ = 3572280.

The previous prime is 3869959. The next prime is 3869989. The reversal of 3869983 is 3899683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3899683 = 10337861.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3869983 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 (3869989) 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, 148833 + ... + 148858.

It is an arithmetic number, because the mean of its divisors is an integer number (1041922).

Almost surely, 23869983 is an apocalyptic number.

3869983 is a deficient number, since it is larger than the sum of its proper divisors (297705).

3869983 is a wasteful number, since it uses less digits than its factorization.

3869983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297704.

The product of its digits is 279936, while the sum is 46.

The square root of 3869983 is about 1967.2272364930. The cubic root of 3869983 is about 157.0012170785.

The spelling of 3869983 in words is "three million, eight hundred sixty-nine thousand, nine hundred eighty-three".

Divisors: 1 13 297691 3869983