Search a number
-
+
3874205 = 51136857
BaseRepresentation
bin1110110001110110011101
321021211102002
432301312131
51442433310
6215012045
744634026
oct16616635
97254362
103874205
112206825
12136a025
13a5853a
1472bc4d
15517da5
hex3b1d9d

3874205 has 8 divisors (see below), whose sum is σ = 4690872. Its totient is φ = 3071488.

The previous prime is 3874201. The next prime is 3874219. The reversal of 3874205 is 5024783.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 466489 + 3407716 = 683^2 + 1846^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3874205 - 22 = 3874201 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 (3874201) 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, 2864 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (586359).

Almost surely, 23874205 is an apocalyptic number.

It is an amenable number.

3874205 is a deficient number, since it is larger than the sum of its proper divisors (816667).

3874205 is a wasteful number, since it uses less digits than its factorization.

3874205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3874205 is about 1968.3000279429. The cubic root of 3874205 is about 157.0582903898.

Adding to 3874205 its reverse (5024783), we get a palindrome (8898988).

The spelling of 3874205 in words is "three million, eight hundred seventy-four thousand, two hundred five".

Divisors: 1 5 113 565 6857 34285 774841 3874205