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42751535 = 5137139449
BaseRepresentation
bin1010001100010…
…1011000101111
32222110000002012
42203011120233
541421022120
64124151435
71026245021
oct243053057
988400065
1042751535
112214a952
121239857b
138b1b088
14596c011
153b471c5
hex28c562f

42751535 has 16 divisors (see below), whose sum is σ = 52164000. Its totient is φ = 33632256.

The previous prime is 42751531. The next prime is 42751547. The reversal of 42751535 is 53515724.

42751535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42751535 - 22 = 42751531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42751531) 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, 94991 + ... + 95439.

It is an arithmetic number, because the mean of its divisors is an integer number (3260250).

Almost surely, 242751535 is an apocalyptic number.

42751535 is a deficient number, since it is larger than the sum of its proper divisors (9412465).

42751535 is a wasteful number, since it uses less digits than its factorization.

42751535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its digits is 21000, while the sum is 32.

The square root of 42751535 is about 6538.4657986411. The cubic root of 42751535 is about 349.6637178178.

The spelling of 42751535 in words is "forty-two million, seven hundred fifty-one thousand, five hundred thirty-five".

Divisors: 1 5 137 139 449 685 695 2245 19043 61513 62411 95215 307565 312055 8550307 42751535