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83828375 = 53670627
BaseRepresentation
bin1001111111100…
…01111010010111
312211201220220122
410333301322113
5132430002000
612152422155
72035346411
oct477617227
9184656818
1083828375
1143356554
12240a795b
13144a0ab7
14b1c19b1
15755d085
hex4ff1e97

83828375 has 8 divisors (see below), whose sum is σ = 104617968. Its totient is φ = 67062600.

The previous prime is 83828369. The next prime is 83828383. The reversal of 83828375 is 57382838.

It is a de Polignac number, because none of the positive numbers 2k-83828375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335189 + ... + 335438.

It is an arithmetic number, because the mean of its divisors is an integer number (13077246).

Almost surely, 283828375 is an apocalyptic number.

83828375 is a deficient number, since it is larger than the sum of its proper divisors (20789593).

83828375 is an equidigital number, since it uses as much as digits as its factorization.

83828375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670642 (or 670632 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 83828375 is about 9155.7836911976. The cubic root of 83828375 is about 437.6534427759.

The spelling of 83828375 in words is "eighty-three million, eight hundred twenty-eight thousand, three hundred seventy-five".

Divisors: 1 5 25 125 670627 3353135 16765675 83828375