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42703641 = 324744849
BaseRepresentation
bin1010001011100…
…1101100011001
32222100120101100
42202321230121
541413004031
64123142013
71025655261
oct242715431
988316340
1042703641
1122117972
1212374909
138b02336
1459587a1
153b37de6
hex28b9b19

42703641 has 6 divisors (see below), whose sum is σ = 61683050. Its totient is φ = 28469088.

The previous prime is 42703607. The next prime is 42703649. The reversal of 42703641 is 14630724.

42703641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 1679616 = 6405^2 + 1296^2 .

It is not a de Polignac number, because 42703641 - 219 = 42179353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42703649) 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 5 ways as a sum of consecutive naturals, for example, 2372416 + ... + 2372433.

Almost surely, 242703641 is an apocalyptic number.

It is an amenable number.

42703641 is a deficient number, since it is larger than the sum of its proper divisors (18979409).

42703641 is a wasteful number, since it uses less digits than its factorization.

42703641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744855 (or 4744852 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 42703641 is about 6534.8022923421. The cubic root of 42703641 is about 349.5330944243.

The spelling of 42703641 in words is "forty-two million, seven hundred three thousand, six hundred forty-one".

Divisors: 1 3 9 4744849 14234547 42703641