Search a number
-
+
42648053 = 717443809
BaseRepresentation
bin1010001010110…
…0000111110101
32222020202010112
42202230013311
541404214203
64122032405
71025334230
oct242540765
988222115
1042648053
112208a128
1212348705
138ab2c46
145942417
153b266d8
hex28ac1f5

42648053 has 16 divisors (see below), whose sum is σ = 51788160. Its totient is φ = 34285056.

The previous prime is 42648043. The next prime is 42648059. The reversal of 42648053 is 35084624.

42648053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42648053 - 24 = 42648037 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 (42648059) 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 15 ways as a sum of consecutive naturals, for example, 52313 + ... + 53121.

It is an arithmetic number, because the mean of its divisors is an integer number (3236760).

Almost surely, 242648053 is an apocalyptic number.

It is an amenable number.

42648053 is a deficient number, since it is larger than the sum of its proper divisors (9140107).

42648053 is a wasteful number, since it uses less digits than its factorization.

42648053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 42648053 is about 6530.5476799423. The cubic root of 42648053 is about 349.3813643297.

The spelling of 42648053 in words is "forty-two million, six hundred forty-eight thousand, fifty-three".

Divisors: 1 7 17 119 443 809 3101 5663 7531 13753 52717 96271 358387 2508709 6092579 42648053