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225000008 = 2328125001
BaseRepresentation
bin11010110100100…
…11101001001000
3120200101011222122
431122103221020
5430100000013
634154310412
75401316462
oct1532235110
9520334878
10225000008
11106008922
1263428408
13377cb4cc
1421c4d132
1514b46a08
hexd693a48

225000008 has 8 divisors (see below), whose sum is σ = 421875030. Its totient is φ = 112500000.

The previous prime is 224999989. The next prime is 225000011. The reversal of 225000008 is 800000522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 160326244 + 64673764 = 12662^2 + 8042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 225000008.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14062493 + ... + 14062508.

Almost surely, 2225000008 is an apocalyptic number.

It is an amenable number.

225000008 is a deficient number, since it is larger than the sum of its proper divisors (196875022).

225000008 is a wasteful number, since it uses less digits than its factorization.

225000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28125007 (or 28125003 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 225000008 is about 15000.0002666667. Note that the first 3 decimals coincide. The cubic root of 225000008 is about 608.2202067659.

The spelling of 225000008 in words is "two hundred twenty-five million, eight", and thus it is an aban number.

Divisors: 1 2 4 8 28125001 56250002 112500004 225000008