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83245 = 516649
BaseRepresentation
bin10100010100101101
311020012011
4110110231
510130440
61441221
7464461
oct242455
9136164
1083245
11575a8
1240211
132bb76
14224a1
15199ea
hex1452d

83245 has 4 divisors (see below), whose sum is σ = 99900. Its totient is φ = 66592.

The previous prime is 83243. The next prime is 83257. The reversal of 83245 is 54238.

83245 = T124 + T125 + ... + T133.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 35721 = 218^2 + 189^2 .

It is a cyclic number.

It is not a de Polignac number, because 83245 - 21 = 83243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83243) 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, 8320 + ... + 8329.

It is an arithmetic number, because the mean of its divisors is an integer number (24975).

283245 is an apocalyptic number.

It is an amenable number.

83245 is a deficient number, since it is larger than the sum of its proper divisors (16655).

83245 is a wasteful number, since it uses less digits than its factorization.

83245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654.

The product of its digits is 960, while the sum is 22.

The square root of 83245 is about 288.5220962076. The cubic root of 83245 is about 43.6635845256.

The spelling of 83245 in words is "eighty-three thousand, two hundred forty-five".

Divisors: 1 5 16649 83245