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83923 = 719631
BaseRepresentation
bin10100011111010011
311021010021
4110133103
510141143
61444311
7466450
oct243723
9137107
1083923
1158064
1240697
132c278
1422827
1519ced
hex147d3

83923 has 8 divisors (see below), whose sum is σ = 101120. Its totient is φ = 68040.

The previous prime is 83921. The next prime is 83933. The reversal of 83923 is 32938.

It is a happy number.

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

It is not a de Polignac number, because 83923 - 21 = 83921 is a prime.

It is a Duffinian number.

83923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (83921) 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, 183 + ... + 448.

It is an arithmetic number, because the mean of its divisors is an integer number (12640).

283923 is an apocalyptic number.

83923 is a deficient number, since it is larger than the sum of its proper divisors (17197).

83923 is a wasteful number, since it uses less digits than its factorization.

83923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its digits is 1296, while the sum is 25.

The square root of 83923 is about 289.6946668477. The cubic root of 83923 is about 43.7818054439.

The spelling of 83923 in words is "eighty-three thousand, nine hundred twenty-three".

Divisors: 1 7 19 133 631 4417 11989 83923