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3874743 = 33143509
BaseRepresentation
bin1110110001111110110111
321021212011000
432301332313
51442442433
6215014343
744635425
oct16617667
97255130
103874743
112207174
12136a3b3
13a58862
1472c115
15518113
hex3b1fb7

3874743 has 8 divisors (see below), whose sum is σ = 5740400. Its totient is φ = 2583144.

The previous prime is 3874733. The next prime is 3874747. The reversal of 3874743 is 3474783.

It is not a de Polignac number, because 3874743 - 25 = 3874711 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3874743 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3874698 and 3874707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874747) 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, 71728 + ... + 71781.

It is an arithmetic number, because the mean of its divisors is an integer number (717550).

Almost surely, 23874743 is an apocalyptic number.

3874743 is a deficient number, since it is larger than the sum of its proper divisors (1865657).

3874743 is a wasteful number, since it uses less digits than its factorization.

3874743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143518 (or 143512 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 3874743 is about 1968.4366893553. The cubic root of 3874743 is about 157.0655601349.

The spelling of 3874743 in words is "three million, eight hundred seventy-four thousand, seven hundred forty-three".

Divisors: 1 3 9 27 143509 430527 1291581 3874743