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2195266 = 21097633
BaseRepresentation
bin1000010111111101000010
311010112100011
420113331002
51030222031
6115015134
724442123
oct10277502
94115304
102195266
11126a377
1289a4aa
135bb298
1441204a
152d56b1
hex217f42

2195266 has 4 divisors (see below), whose sum is σ = 3292902. Its totient is φ = 1097632.

The previous prime is 2195243. The next prime is 2195273. The reversal of 2195266 is 6625912.

2195266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 429025 = 1329^2 + 655^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 548815 + ... + 548818.

22195266 is an apocalyptic number.

2195266 is a deficient number, since it is larger than the sum of its proper divisors (1097636).

2195266 is a wasteful number, since it uses less digits than its factorization.

2195266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097635.

The product of its digits is 6480, while the sum is 31.

The square root of 2195266 is about 1481.6430069352. The cubic root of 2195266 is about 129.9657898148.

The spelling of 2195266 in words is "two million, one hundred ninety-five thousand, two hundred sixty-six".

Divisors: 1 2 1097633 2195266