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83708856 = 23337211719
BaseRepresentation
bin1001111110101…
…00101110111000
312211111211222000
410333110232320
5132412140411
612150101000
72034341100
oct477245670
9184454860
1083708856
1143284780
122404a760
131445b58a
14b190200
157537956
hex4fd4bb8

83708856 has 192 divisors, whose sum is σ = 295488000. Its totient is φ = 21712320.

The previous prime is 83708843. The next prime is 83708857. The reversal of 83708856 is 65880738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83708857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116065 + ... + 116783.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 283708856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83708856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147744000).

83708856 is an abundant number, since it is smaller than the sum of its proper divisors (211779144).

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

83708856 is a wasteful number, since it uses less digits than its factorization.

83708856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 83708856 is about 9149.2543958511. The cubic root of 83708856 is about 437.4453478398.

The spelling of 83708856 in words is "eighty-three million, seven hundred eight thousand, eight hundred fifty-six".