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42955043 = 1071572557
BaseRepresentation
bin1010001111011…
…1000100100011
32222211100020112
42203313010203
541444030133
64132401535
71031053235
oct243670443
988740215
1042955043
112227983a
12124762ab
138b8c8b1
1459c2255
153b87648
hex28f7123

42955043 has 8 divisors (see below), whose sum is σ = 43649712. Its totient is φ = 42266016.

The previous prime is 42955037. The next prime is 42955079. The reversal of 42955043 is 34055924.

It is a happy number.

42955043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42955043 - 24 = 42955027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42955093) 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 7 ways as a sum of consecutive naturals, for example, 15521 + ... + 18077.

It is an arithmetic number, because the mean of its divisors is an integer number (5456214).

Almost surely, 242955043 is an apocalyptic number.

42955043 is a deficient number, since it is larger than the sum of its proper divisors (694669).

42955043 is a wasteful number, since it uses less digits than its factorization.

42955043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 42955043 is about 6554.0096887325. The cubic root of 42955043 is about 350.2176686831.

The spelling of 42955043 in words is "forty-two million, nine hundred fifty-five thousand, forty-three".

Divisors: 1 107 157 2557 16799 273599 401449 42955043