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83939000 = 235383939
BaseRepresentation
bin1010000000011…
…00111010111000
312211221112122212
411000030322320
5132442022000
612155034252
72036320055
oct500147270
9184845585
1083939000
1143421682
122413b988
131450c262
14b21002c
157580c35
hex500ceb8

83939000 has 32 divisors (see below), whose sum is σ = 196419600. Its totient is φ = 33575200.

The previous prime is 83938997. The next prime is 83939057. The reversal of 83939000 is 93938.

It is a congruent number.

It is an unprimeable number.

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, 40970 + ... + 42969.

Almost surely, 283939000 is an apocalyptic number.

It is an amenable number.

83939000 is an abundant number, since it is smaller than the sum of its proper divisors (112480600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83939000 is a wasteful number, since it uses less digits than its factorization.

83939000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83960 (or 83946 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 83939000 is about 9161.8229627078. The cubic root of 83939000 is about 437.8458761471.

The spelling of 83939000 in words is "eighty-three million, nine hundred thirty-nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 83939 167878 335756 419695 671512 839390 1678780 2098475 3357560 4196950 8393900 10492375 16787800 20984750 41969500 83939000