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225018069 = 3179194801
BaseRepresentation
bin11010110100110…
…00000011010101
3120200102002202120
431122120003111
5430101034234
634154530153
75401423233
oct1532300325
9520362676
10225018069
11106020451
1263436959
13378067b3
1421c55953
1514b4c049
hexd6980d5

225018069 has 16 divisors (see below), whose sum is σ = 318084480. Its totient is φ = 141004800.

The previous prime is 225018067. The next prime is 225018071. The reversal of 225018069 is 960810522.

It is an interprime number because it is at equal distance from previous prime (225018067) and next prime (225018071).

It is not a de Polignac number, because 225018069 - 21 = 225018067 is a prime.

It is a super-2 number, since 2×2250180692 = 101266262752977522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225018061) 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 15 ways as a sum of consecutive naturals, for example, 44469 + ... + 49269.

It is an arithmetic number, because the mean of its divisors is an integer number (19880280).

Almost surely, 2225018069 is an apocalyptic number.

It is an amenable number.

225018069 is a deficient number, since it is larger than the sum of its proper divisors (93066411).

225018069 is a wasteful number, since it uses less digits than its factorization.

225018069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 225018069 is about 15000.6022879083. The cubic root of 225018069 is about 608.2364805005.

The spelling of 225018069 in words is "two hundred twenty-five million, eighteen thousand, sixty-nine".

Divisors: 1 3 17 51 919 2757 4801 14403 15623 46869 81617 244851 4412119 13236357 75006023 225018069