Search a number
-
+
42130326 = 2371003103
BaseRepresentation
bin1010000010110…
…1101110010110
32221021102221110
42200231232112
541241132301
64102555450
71021046640
oct240555626
987242843
1042130326
1121866157
1212138b86
1389613b4
145849890
153a730d6
hex282db96

42130326 has 16 divisors (see below), whose sum is σ = 96297984. Its totient is φ = 12037224.

The previous prime is 42130313. The next prime is 42130327. The reversal of 42130326 is 62303124.

It is a happy number.

42130326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130327) 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, 501510 + ... + 501593.

It is an arithmetic number, because the mean of its divisors is an integer number (6018624).

Almost surely, 242130326 is an apocalyptic number.

42130326 is an abundant number, since it is smaller than the sum of its proper divisors (54167658).

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

42130326 is a wasteful number, since it uses less digits than its factorization.

42130326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003115.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42130326 is about 6490.7877796150. The cubic root of 42130326 is about 347.9618302699.

The spelling of 42130326 in words is "forty-two million, one hundred thirty thousand, three hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 1003103 2006206 3009309 6018618 7021721 14043442 21065163 42130326