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5390943 = 317910039
BaseRepresentation
bin10100100100001001011111
3101010212222120
4110210021133
52340002233
6311314023
763552015
oct24441137
911125876
105390943
113052328
12197b913
131169a0c
14a048b5
157174b3
hex52425f

5390943 has 8 divisors (see below), whose sum is σ = 7228800. Its totient is φ = 3573528.

The previous prime is 5390939. The next prime is 5390971. The reversal of 5390943 is 3490935.

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

It is not a de Polignac number, because 5390943 - 22 = 5390939 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

5390943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5390923) by changing a digit.

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, 4483 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (903600).

Almost surely, 25390943 is an apocalyptic number.

5390943 is a deficient number, since it is larger than the sum of its proper divisors (1837857).

5390943 is a wasteful number, since it uses less digits than its factorization.

5390943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 5390943 is about 2321.8404337938. The cubic root of 5390943 is about 175.3429248545.

The spelling of 5390943 in words is "five million, three hundred ninety thousand, nine hundred forty-three".

Divisors: 1 3 179 537 10039 30117 1796981 5390943