Search a number
-
+
41228381 = 57771453
BaseRepresentation
bin1001110101000…
…1100001011101
32212120121201002
42131101201131
541023302011
64031400045
71010302235
oct235214135
985517632
1041228381
11212aa547
1211983025
1387069bc
145692cc5
153945c3b
hex275185d

41228381 has 4 divisors (see below), whose sum is σ = 41300412. Its totient is φ = 41156352.

The previous prime is 41228377. The next prime is 41228387. The reversal of 41228381 is 18382214.

41228381 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 an emirpimes, since its reverse is a distinct semiprime: 18382214 = 29191107.

It can be written as a sum of positive squares in 2 ways, for example, as 38875225 + 2353156 = 6235^2 + 1534^2 .

It is a cyclic number.

It is not a de Polignac number, because 41228381 - 22 = 41228377 is a prime.

It is a super-2 number, since 2×412283812 = 3399558799762322, 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 (41228387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35150 + ... + 36303.

It is an arithmetic number, because the mean of its divisors is an integer number (10325103).

Almost surely, 241228381 is an apocalyptic number.

It is an amenable number.

41228381 is a deficient number, since it is larger than the sum of its proper divisors (72031).

41228381 is an equidigital number, since it uses as much as digits as its factorization.

41228381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72030.

The product of its digits is 3072, while the sum is 29.

The square root of 41228381 is about 6420.9330318887. The cubic root of 41228381 is about 345.4607887544.

The spelling of 41228381 in words is "forty-one million, two hundred twenty-eight thousand, three hundred eighty-one".

Divisors: 1 577 71453 41228381