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83039 = 117549
BaseRepresentation
bin10100010001011111
311012220112
4110101133
510124124
61440235
7464045
oct242137
9135815
1083039
1157430
124007b
132ba48
1422395
151990e
hex1445f

83039 has 4 divisors (see below), whose sum is σ = 90600. Its totient is φ = 75480.

The previous prime is 83023. The next prime is 83047. The reversal of 83039 is 93038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83039 - 24 = 83023 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83009) 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, 3764 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (22650).

283039 is an apocalyptic number.

83039 is a deficient number, since it is larger than the sum of its proper divisors (7561).

83039 is a wasteful number, since it uses less digits than its factorization.

83039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 83039 is about 288.1648833567. The cubic root of 83039 is about 43.6275378036.

Subtracting 83039 from its reverse (93038), we obtain a palindrome (9999).

The spelling of 83039 in words is "eighty-three thousand, thirty-nine".

Divisors: 1 11 7549 83039