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8398085 = 51798801
BaseRepresentation
bin100000000010…
…010100000101
3120210200000012
4200002110011
54122214320
6500000005
7131245133
oct40022405
916720005
108398085
114816673
122990005
1319806a7
141188753
15b0d4c5
hex802505

8398085 has 8 divisors (see below), whose sum is σ = 10670616. Its totient is φ = 6323200.

The previous prime is 8398069. The next prime is 8398097. The reversal of 8398085 is 5808938.

8398085 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 4 ways, for example, as 2819041 + 5579044 = 1679^2 + 2362^2 .

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

It is not a de Polignac number, because 8398085 - 24 = 8398069 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, 49316 + ... + 49485.

It is an arithmetic number, because the mean of its divisors is an integer number (1333827).

Almost surely, 28398085 is an apocalyptic number.

8398085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8398085 is a deficient number, since it is larger than the sum of its proper divisors (2272531).

8398085 is a wasteful number, since it uses less digits than its factorization.

8398085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98823.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 8398085 is about 2897.9449615201. The cubic root of 8398085 is about 203.2638225776.

The spelling of 8398085 in words is "eight million, three hundred ninety-eight thousand, eighty-five".

Divisors: 1 5 17 85 98801 494005 1679617 8398085