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42305461 = 1129132619
BaseRepresentation
bin1010000101100…
…0011110110101
32221121100011221
42201120132311
541312233321
64110430341
71022406352
oct241303665
987540157
1042305461
11219757a0
12122023b1
1389c3023
145893629
153aa9e41
hex28587b5

42305461 has 8 divisors (see below), whose sum is σ = 47743200. Its totient is φ = 37133040.

The previous prime is 42305449. The next prime is 42305477. The reversal of 42305461 is 16450324.

42305461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42305461 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 (42305491) 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 7 ways as a sum of consecutive naturals, for example, 65991 + ... + 66628.

It is an arithmetic number, because the mean of its divisors is an integer number (5967900).

Almost surely, 242305461 is an apocalyptic number.

It is an amenable number.

42305461 is a deficient number, since it is larger than the sum of its proper divisors (5437739).

42305461 is a wasteful number, since it uses less digits than its factorization.

42305461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132659.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42305461 is about 6504.2648316316. The cubic root of 42305461 is about 348.4433207055.

Adding to 42305461 its reverse (16450324), we get a palindrome (58755785).

It can be divided in two parts, 42 and 305461, that added together give a palindrome (305503).

The spelling of 42305461 in words is "forty-two million, three hundred five thousand, four hundred sixty-one".

Divisors: 1 11 29 319 132619 1458809 3845951 42305461