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3924143 = 31712379
BaseRepresentation
bin1110111110000010101111
321101100220122
432332002233
52001033033
6220035155
745232436
oct16760257
97340818
103924143
1122402a3
121392abb
13a751a2
1474211d
15527a98
hex3be0af

3924143 has 4 divisors (see below), whose sum is σ = 3936840. Its totient is φ = 3911448.

The previous prime is 3924139. The next prime is 3924163. The reversal of 3924143 is 3414293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3924143 - 22 = 3924139 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 (3924103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5873 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (984210).

Almost surely, 23924143 is an apocalyptic number.

3924143 is a deficient number, since it is larger than the sum of its proper divisors (12697).

3924143 is a wasteful number, since it uses less digits than its factorization.

3924143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696.

The product of its digits is 2592, while the sum is 26.

The square root of 3924143 is about 1980.9449765200. The cubic root of 3924143 is about 157.7302318586.

The spelling of 3924143 in words is "three million, nine hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 317 12379 3924143