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225142658 = 21373118621
BaseRepresentation
bin11010110101101…
…10011110000010
3120200122102122222
431122312132002
5430114031113
634201331042
75402452406
oct1532663602
9520572588
10225142658
111060a6014
1263496a82
133784b410
1421c89106
1514b73e08
hexd6b6782

225142658 has 16 divisors (see below), whose sum is σ = 368677176. Its totient is φ = 102487680.

The previous prime is 225142657. The next prime is 225142663. The reversal of 225142658 is 856241522.

It can be written as a sum of positive squares in 4 ways, for example, as 173633329 + 51509329 = 13177^2 + 7177^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225142651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57413 + ... + 61208.

Almost surely, 2225142658 is an apocalyptic number.

225142658 is a deficient number, since it is larger than the sum of its proper divisors (143534518).

225142658 is a wasteful number, since it uses less digits than its factorization.

225142658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118709.

The product of its digits is 38400, while the sum is 35.

The square root of 225142658 is about 15004.7545131535. The cubic root of 225142658 is about 608.3487168104.

The spelling of 225142658 in words is "two hundred twenty-five million, one hundred forty-two thousand, six hundred fifty-eight".

Divisors: 1 2 13 26 73 146 949 1898 118621 237242 1542073 3084146 8659333 17318666 112571329 225142658