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3982143 = 311120671
BaseRepresentation
bin1111001100001100111111
321111022110210
433030030333
52004412033
6221203503
745563514
oct17141477
97438423
103982143
11227a930
121400593
13a956c9
1475930b
15539d63
hex3cc33f

3982143 has 8 divisors (see below), whose sum is σ = 5792256. Its totient is φ = 2413400.

The previous prime is 3982129. The next prime is 3982157. The reversal of 3982143 is 3412893.

It is an interprime number because it is at equal distance from previous prime (3982129) and next prime (3982157).

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

It is not a de Polignac number, because 3982143 - 26 = 3982079 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3982143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982123) 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, 60303 + ... + 60368.

It is an arithmetic number, because the mean of its divisors is an integer number (724032).

Almost surely, 23982143 is an apocalyptic number.

3982143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3982143 is a deficient number, since it is larger than the sum of its proper divisors (1810113).

3982143 is a wasteful number, since it uses less digits than its factorization.

3982143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120685.

The product of its digits is 5184, while the sum is 30.

The square root of 3982143 is about 1995.5307564656. The cubic root of 3982143 is about 158.5035343047.

The spelling of 3982143 in words is "three million, nine hundred eighty-two thousand, one hundred forty-three".

Divisors: 1 3 11 33 120671 362013 1327381 3982143