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2226138 = 233111193
BaseRepresentation
bin1000011111011111011010
311012002200120
420133133122
51032214023
6115414110
724631125
oct10373732
94162616
102226138
111290592
128b4336
135cc355
1441d3bc
152de8e3
hex21f7da

2226138 has 16 divisors (see below), whose sum is σ = 4470336. Its totient is φ = 739040.

The previous prime is 2226137. The next prime is 2226149. The reversal of 2226138 is 8316222.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 210 + 214 + 219 + 68 + 1 + 36 + 84 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2226131) 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, 1270 + ... + 2462.

It is an arithmetic number, because the mean of its divisors is an integer number (279396).

22226138 is an apocalyptic number.

2226138 is an abundant number, since it is smaller than the sum of its proper divisors (2244198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2226138 is a wasteful number, since it uses less digits than its factorization.

2226138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its digits is 1152, while the sum is 24.

The square root of 2226138 is about 1492.0247987215. The cubic root of 2226138 is about 130.5721918206.

The spelling of 2226138 in words is "two million, two hundred twenty-six thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 311 622 933 1193 1866 2386 3579 7158 371023 742046 1113069 2226138