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42648754 = 2193313353
BaseRepresentation
bin1010001010110…
…0010010110010
32222020210002111
42202230102302
541404230004
64122035534
71025336251
oct242542262
988223074
1042648754
112208a705
1212348baa
138ab3365
145942798
153b26a04
hex28ac4b2

42648754 has 16 divisors (see below), whose sum is σ = 64692792. Its totient is φ = 21086208.

The previous prime is 42648721. The next prime is 42648769. The reversal of 42648754 is 45784624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15327225 + 27321529 = 3915^2 + 5227^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120642 + ... + 120994.

Almost surely, 242648754 is an apocalyptic number.

42648754 is a deficient number, since it is larger than the sum of its proper divisors (22044038).

42648754 is a wasteful number, since it uses less digits than its factorization.

42648754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 215040, while the sum is 40.

The square root of 42648754 is about 6530.6013505649. The cubic root of 42648754 is about 349.3832785632.

The spelling of 42648754 in words is "forty-two million, six hundred forty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 193 313 353 386 626 706 60409 68129 110489 120818 136258 220978 21324377 42648754