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83928108 = 223111036173
BaseRepresentation
bin1010000000010…
…10010000101100
312211220222201110
411000022100230
5132441144413
612154512020
72036243235
oct500122054
9184828643
1083928108
1143414480
1224135610
1314507304
14b20a08c
15757c8c3
hex500a42c

83928108 has 48 divisors (see below), whose sum is σ = 215744256. Its totient is φ = 25181760.

The previous prime is 83928101. The next prime is 83928109. The reversal of 83928108 is 80182938.

It is not an unprimeable number, because it can be changed into a prime (83928101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10510 + ... + 16682.

It is an arithmetic number, because the mean of its divisors is an integer number (4494672).

Almost surely, 283928108 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 83928108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107872128).

83928108 is an abundant number, since it is smaller than the sum of its proper divisors (131816148).

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

83928108 is a wasteful number, since it uses less digits than its factorization.

83928108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 83928108 is about 9161.2285202368. The cubic root of 83928108 is about 437.8269369032.

The spelling of 83928108 in words is "eighty-three million, nine hundred twenty-eight thousand, one hundred eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 103 132 206 309 412 618 1133 1236 2266 3399 4532 6173 6798 12346 13596 18519 24692 37038 67903 74076 135806 203709 271612 407418 635819 814836 1271638 1907457 2543276 3814914 6994009 7629828 13988018 20982027 27976036 41964054 83928108