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42130635 = 3510127809
BaseRepresentation
bin1010000010110…
…1110011001011
32221021110100220
42200231303023
541241140020
64103001123
71021050561
oct240556313
987243326
1042130635
1121866408
12121391a3
138961591
145849a31
153a73240
hex282dccb

42130635 has 16 divisors (see below), whose sum is σ = 68078880. Its totient is φ = 22246400.

The previous prime is 42130631. The next prime is 42130691. The reversal of 42130635 is 53603124.

It is a happy number.

42130635 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 42130635 - 22 = 42130631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42130631) 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, 12390 + ... + 15419.

It is an arithmetic number, because the mean of its divisors is an integer number (4254930).

Almost surely, 242130635 is an apocalyptic number.

42130635 is a deficient number, since it is larger than the sum of its proper divisors (25948245).

42130635 is a wasteful number, since it uses less digits than its factorization.

42130635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27918.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 42130635 is about 6490.8115825373. The cubic root of 42130635 is about 347.9626809631.

Adding to 42130635 its reverse (53603124), we get a palindrome (95733759).

The spelling of 42130635 in words is "forty-two million, one hundred thirty thousand, six hundred thirty-five".

Divisors: 1 3 5 15 101 303 505 1515 27809 83427 139045 417135 2808709 8426127 14043545 42130635