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42833839 = 1091572503
BaseRepresentation
bin1010001101100…
…1011110101111
32222121011222111
42203121132233
541431140324
64130024451
71030036666
oct243313657
988534874
1042833839
11221a6774
1212418127
138b49689
14598dddd
153b61794
hex28d97af

42833839 has 8 divisors (see below), whose sum is σ = 43519520. Its totient is φ = 42153696.

The previous prime is 42833821. The next prime is 42833849. The reversal of 42833839 is 93833824.

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 42833839 - 29 = 42833327 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 (42833849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15862 + ... + 18364.

It is an arithmetic number, because the mean of its divisors is an integer number (5439940).

Almost surely, 242833839 is an apocalyptic number.

42833839 is a deficient number, since it is larger than the sum of its proper divisors (685681).

42833839 is a wasteful number, since it uses less digits than its factorization.

42833839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769.

The product of its digits is 124416, while the sum is 40.

The square root of 42833839 is about 6544.7566035721. The cubic root of 42833839 is about 349.8879614180.

The spelling of 42833839 in words is "forty-two million, eight hundred thirty-three thousand, eight hundred thirty-nine".

Divisors: 1 109 157 2503 17113 272827 392971 42833839