Search a number
-
+
4071541 = 4394687
BaseRepresentation
bin1111100010000001110101
321122212002211
433202001311
52020242131
6223133421
746415245
oct17420165
97585084
104071541
112331011
121444271
13ac72c6
1477db25
155565b1
hex3e2075

4071541 has 4 divisors (see below), whose sum is σ = 4166272. Its totient is φ = 3976812.

The previous prime is 4071539. The next prime is 4071553. The reversal of 4071541 is 1451704.

4071541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 4071541 - 21 = 4071539 is a prime.

It is a super-2 number, since 2×40715412 = 33154892229362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4071511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47301 + ... + 47386.

It is an arithmetic number, because the mean of its divisors is an integer number (1041568).

Almost surely, 24071541 is an apocalyptic number.

It is an amenable number.

4071541 is a deficient number, since it is larger than the sum of its proper divisors (94731).

4071541 is an equidigital number, since it uses as much as digits as its factorization.

4071541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94730.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 4071541 is about 2017.8059867093. The cubic root of 4071541 is about 159.6808874053.

The spelling of 4071541 in words is "four million, seventy-one thousand, five hundred forty-one".

Divisors: 1 43 94687 4071541