Search a number
-
+
34447141 = 71485171
BaseRepresentation
bin1000001101100…
…1111100100101
32101211002121001
42003121330211
532304302031
63230153301
7565536661
oct203317445
971732531
1034447141
1118498713
12b652831
1371a1231
1448098a1
153056861
hex20d9f25

34447141 has 4 divisors (see below), whose sum is σ = 34932384. Its totient is φ = 33961900.

The previous prime is 34447121. The next prime is 34447159. The reversal of 34447141 is 14174443.

34447141 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, and also an emirpimes, since its reverse is a distinct semiprime: 14174443 = 22696247.

It is a cyclic number.

It is not a de Polignac number, because 34447141 - 225 = 892709 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 (34447121) 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, 242515 + ... + 242656.

It is an arithmetic number, because the mean of its divisors is an integer number (8733096).

Almost surely, 234447141 is an apocalyptic number.

It is an amenable number.

34447141 is a deficient number, since it is larger than the sum of its proper divisors (485243).

34447141 is an equidigital number, since it uses as much as digits as its factorization.

34447141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485242.

The product of its digits is 5376, while the sum is 28.

The square root of 34447141 is about 5869.1686804862. The cubic root of 34447141 is about 325.3751596719.

It can be divided in two parts, 3444 and 7141, that added together give a triangular number (10585 = T145).

The spelling of 34447141 in words is "thirty-four million, four hundred forty-seven thousand, one hundred forty-one".

Divisors: 1 71 485171 34447141