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8200004 = 225933457
BaseRepresentation
bin11111010001111101000100
3120102121021212
4133101331010
54044400004
6451430552
7126461501
oct37217504
916377255
108200004
1146a086a
1228b5458
131911497
1411364a8
15abe96e
hex7d1f44

8200004 has 12 divisors (see below), whose sum is σ = 14378364. Its totient is φ = 4091904.

The previous prime is 8199979. The next prime is 8200007. The reversal of 8200004 is 4000028.

It can be written as a sum of positive squares in 2 ways, for example, as 1960000 + 6240004 = 1400^2 + 2498^2 .

It is not an unprimeable number, because it can be changed into a prime (8200007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644 + ... + 4100.

It is an arithmetic number, because the mean of its divisors is an integer number (1198197).

Almost surely, 28200004 is an apocalyptic number.

It is an amenable number.

8200004 is a deficient number, since it is larger than the sum of its proper divisors (6178360).

8200004 is a wasteful number, since it uses less digits than its factorization.

8200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 8200004 is about 2863.5649110855. The cubic root of 8200004 is about 201.6530003109.

The spelling of 8200004 in words is "eight million, two hundred thousand, four".

Divisors: 1 2 4 593 1186 2372 3457 6914 13828 2050001 4100002 8200004