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42748651 = 1119238893
BaseRepresentation
bin1010001100010…
…0101011101011
32222102212010101
42203010223223
541420424101
64124130231
71026233431
oct243045353
988385111
1042748651
1122148770
1212396977
138b1997a
14596ad51
153b46401
hex28c4aeb

42748651 has 16 divisors (see below), whose sum is σ = 51229440. Its totient is φ = 35212320.

The previous prime is 42748633. The next prime is 42748663. The reversal of 42748651 is 15684724.

42748651 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 42748651 - 25 = 42748619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42748651.

It is not an unprimeable number, because it can be changed into a prime (42748631) 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, 361 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (3201840).

Almost surely, 242748651 is an apocalyptic number.

42748651 is a deficient number, since it is larger than the sum of its proper divisors (8480789).

42748651 is a wasteful number, since it uses less digits than its factorization.

42748651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946.

The product of its digits is 53760, while the sum is 37.

The square root of 42748651 is about 6538.2452538888. The cubic root of 42748651 is about 349.6558549201.

The spelling of 42748651 in words is "forty-two million, seven hundred forty-eight thousand, six hundred fifty-one".

Divisors: 1 11 19 23 209 253 437 4807 8893 97823 168967 204539 1858637 2249929 3886241 42748651