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225006081 = 3353921193
BaseRepresentation
bin11010110100101…
…01001000000001
3120200101111022120
431122111020001
5430100143311
634154354453
75401343256
oct1532251001
9520344276
10225006081
11106012443
126342ba29
13378011c1
1421c5142d
1514b48706
hexd695201

225006081 has 8 divisors (see below), whose sum is σ = 300107040. Its totient is φ = 149954592.

The previous prime is 225006077. The next prime is 225006107. The reversal of 225006081 is 180600522.

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

It is not a de Polignac number, because 225006081 - 22 = 225006077 is a prime.

It is a super-2 number, since 2×2250060812 = 101255472973957122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225006071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21 + ... + 21213.

It is an arithmetic number, because the mean of its divisors is an integer number (37513380).

Almost surely, 2225006081 is an apocalyptic number.

It is an amenable number.

225006081 is a deficient number, since it is larger than the sum of its proper divisors (75100959).

225006081 is a wasteful number, since it uses less digits than its factorization.

225006081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24735.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 225006081 is about 15000.2026986304. The cubic root of 225006081 is about 608.2256788962.

The spelling of 225006081 in words is "two hundred twenty-five million, six thousand, eighty-one".

Divisors: 1 3 3539 10617 21193 63579 75002027 225006081