Search a number
-
+
42354541 = 421910039
BaseRepresentation
bin1010000110010…
…0011101101101
32221200211111201
42201210131231
541320321131
64111445501
71023002425
oct241443555
987624451
1042354541
11219a9659
1212226891
138a0c478
1458a7485
153ab9761
hex286476d

42354541 has 4 divisors (see below), whose sum is σ = 42368800. Its totient is φ = 42340284.

The previous prime is 42354491. The next prime is 42354583. The reversal of 42354541 is 14545324.

42354541 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42354541 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 (42354941) 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, 801 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (10592200).

Almost surely, 242354541 is an apocalyptic number.

It is an amenable number.

42354541 is a deficient number, since it is larger than the sum of its proper divisors (14259).

42354541 is a wasteful number, since it uses less digits than its factorization.

42354541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14258.

The product of its digits is 9600, while the sum is 28.

The square root of 42354541 is about 6508.0366471003. The cubic root of 42354541 is about 348.5780156019.

Adding to 42354541 its reverse (14545324), we get a palindrome (56899865).

The spelling of 42354541 in words is "forty-two million, three hundred fifty-four thousand, five hundred forty-one".

Divisors: 1 4219 10039 42354541