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8200397 = 231093271
BaseRepresentation
bin11111010010000011001101
3120102121211102
4133102003031
54044403042
6451432445
7126462602
oct37220315
916377742
108200397
1146a1097
1228b5725
13191170a
1411366a9
15abeb32
hex7d20cd

8200397 has 8 divisors (see below), whose sum is σ = 8638080. Its totient is φ = 7769520.

The previous prime is 8200391. The next prime is 8200403. The reversal of 8200397 is 7930028.

It is an interprime number because it is at equal distance from previous prime (8200391) and next prime (8200403).

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

It is not a de Polignac number, because 8200397 - 28 = 8200141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200391) 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, 872 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (1079760).

Almost surely, 28200397 is an apocalyptic number.

It is an amenable number.

8200397 is a deficient number, since it is larger than the sum of its proper divisors (437683).

8200397 is a wasteful number, since it uses less digits than its factorization.

8200397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 8200397 is about 2863.6335310231. The cubic root of 8200397 is about 201.6562217875.

The spelling of 8200397 in words is "eight million, two hundred thousand, three hundred ninety-seven".

Divisors: 1 23 109 2507 3271 75233 356539 8200397