Search a number
-
+
3874129 = 7553447
BaseRepresentation
bin1110110001110101010001
321021211022021
432301311101
51442433004
6215011441
744633560
oct16616521
97254267
103874129
112206766
121369b81
13a584ac
1472bbd7
15517d54
hex3b1d51

3874129 has 4 divisors (see below), whose sum is σ = 4427584. Its totient is φ = 3320676.

The previous prime is 3874111. The next prime is 3874133. The reversal of 3874129 is 9214783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3874129 - 215 = 3841361 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 3874094 and 3874103.

It is not an unprimeable number, because it can be changed into a prime (3874109) 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, 276717 + ... + 276730.

It is an arithmetic number, because the mean of its divisors is an integer number (1106896).

Almost surely, 23874129 is an apocalyptic number.

It is an amenable number.

3874129 is a deficient number, since it is larger than the sum of its proper divisors (553455).

3874129 is an equidigital number, since it uses as much as digits as its factorization.

3874129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553454.

The product of its digits is 12096, while the sum is 34.

The square root of 3874129 is about 1968.2807218484. The cubic root of 3874129 is about 157.0572633827.

The spelling of 3874129 in words is "three million, eight hundred seventy-four thousand, one hundred twenty-nine".

Divisors: 1 7 553447 3874129