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83938 = 241969
BaseRepresentation
bin10100011111100010
311021010211
4110133202
510141223
61444334
7466501
oct243742
9137124
1083938
1158078
12406aa
132c28a
1422838
1519d0d
hex147e2

83938 has 4 divisors (see below), whose sum is σ = 125910. Its totient is φ = 41968.

The previous prime is 83933. The next prime is 83939.

83938 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 74529 + 9409 = 273^2 + 97^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (83933) by changing a digit.

83938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20983 + ... + 20986.

283938 is an apocalyptic number.

83938 is a deficient number, since it is larger than the sum of its proper divisors (41972).

83938 is a wasteful number, since it uses less digits than its factorization.

83938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41971.

The product of its digits is 5184, while the sum is 31.

The square root of 83938 is about 289.7205550181. The cubic root of 83938 is about 43.7844137394.

The spelling of 83938 in words is "eighty-three thousand, nine hundred thirty-eight".

Divisors: 1 2 41969 83938