Search a number
42443034 = 237073839
BaseRepresentation
bin1010000111101…
…0000100011010
32221212022220020
42201322010122
541331134114
64113411310
71023521424
oct241720432
987768806
1042443034
1121a5a097
1212269b36
138a4082a
1458cb814
hex287a11a

42443034 has 8 divisors (see below), whose sum is σ = 84886080. Its totient is φ = 14147676.

The previous prime is 42442997. The next prime is 42443039. The reversal of 42443034 is 43034424.

Adding to 42443034 its reverse (43034424), we get a palindrome (85477458).

It is a happy number.

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

It is a super-2 number, since 2×424430342 = 3602822270250312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42442995 and 42443013.

It is not an unprimeable number, because it can be changed into a prime (42443039) 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, 3536914 + ... + 3536925.

It is an arithmetic number, because the mean of its divisors is an integer number (10610760).

Almost surely, 242443034 is an apocalyptic number.

42443034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42443034 is a wasteful number, since it uses less digits than its factorization.

42443034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073844.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 42443034 is about 6514.8318474079. The cubic root of 42443034 is about 348.8206126208.

The spelling of 42443034 in words is "forty-two million, four hundred forty-three thousand, thirty-four".

Divisors: 1 2 3 6 7073839 14147678 21221517 42443034