Search a number
-
+
3836545 = 5767309
BaseRepresentation
bin1110101000101010000001
321012220202021
432220222001
51440232140
6214121441
744416156
oct16505201
97186667
103836545
1121904a9
121350281
13a4435b
1471c22d
1550bb4a
hex3a8a81

3836545 has 4 divisors (see below), whose sum is σ = 4603860. Its totient is φ = 3069232.

The previous prime is 3836519. The next prime is 3836587. The reversal of 3836545 is 5456383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5456383 = 22923827.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 2259009 = 1256^2 + 1503^2 .

It is a cyclic number.

It is not a de Polignac number, because 3836545 - 25 = 3836513 is a prime.

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

3836545 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3836545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383650 + ... + 383659.

It is an arithmetic number, because the mean of its divisors is an integer number (1150965).

Almost surely, 23836545 is an apocalyptic number.

It is an amenable number.

3836545 is a deficient number, since it is larger than the sum of its proper divisors (767315).

3836545 is an equidigital number, since it uses as much as digits as its factorization.

3836545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767314.

The product of its digits is 43200, while the sum is 34.

The square root of 3836545 is about 1958.7100346912. The cubic root of 3836545 is about 156.5477267359.

The spelling of 3836545 in words is "three million, eight hundred thirty-six thousand, five hundred forty-five".

Divisors: 1 5 767309 3836545