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8198275 = 52378863
BaseRepresentation
bin11111010001100010000011
3120102111220211
4133101202003
54044321100
6451414551
7126453451
oct37214203
916374824
108198275
11469a538
1228b4457
131910767
1411359d1
15abe1ba
hex7d1883

8198275 has 12 divisors (see below), whose sum is σ = 10441792. Its totient is φ = 6380640.

The previous prime is 8198269. The next prime is 8198303. The reversal of 8198275 is 5728918.

It is not a de Polignac number, because 8198275 - 27 = 8198147 is a prime.

It is a super-4 number, since 4×81982754 (a number of 29 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

8198275 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3507 + ... + 5356.

Almost surely, 28198275 is an apocalyptic number.

8198275 is a deficient number, since it is larger than the sum of its proper divisors (2243517).

8198275 is a wasteful number, since it uses less digits than its factorization.

8198275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8910 (or 8905 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The square root of 8198275 is about 2863.2629987481. The cubic root of 8198275 is about 201.6388262306.

The spelling of 8198275 in words is "eight million, one hundred ninety-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 37 185 925 8863 44315 221575 327931 1639655 8198275