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42936853 = 107401279
BaseRepresentation
bin1010001111001…
…0101000010101
32222210102021211
42203302220111
541442434403
64132141421
71030646221
oct243625025
988712254
1042936853
1122267103
1212467871
138b8452b
1459b9781
153b8206d
hex28f2a15

42936853 has 4 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 42535468.

The previous prime is 42936851. The next prime is 42936857. The reversal of 42936853 is 35863924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42936853 - 21 = 42936851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42936851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200533 + ... + 200746.

It is an arithmetic number, because the mean of its divisors is an integer number (10834560).

Almost surely, 242936853 is an apocalyptic number.

It is an amenable number.

42936853 is a deficient number, since it is larger than the sum of its proper divisors (401387).

42936853 is a wasteful number, since it uses less digits than its factorization.

42936853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401386.

The product of its digits is 155520, while the sum is 40.

The square root of 42936853 is about 6552.6218416753. The cubic root of 42936853 is about 350.1682266123.

The spelling of 42936853 in words is "forty-two million, nine hundred thirty-six thousand, eight hundred fifty-three".

Divisors: 1 107 401279 42936853