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3138226 = 271343401
BaseRepresentation
bin1011111110001010110010
312220102211121
423332022302
51300410401
6151132454
735450230
oct13761262
95812747
103138226
111853883
12107412a
1385b550
145b9950
1541eca1
hex2fe2b2

3138226 has 32 divisors (see below), whose sum is σ = 5943168. Its totient is φ = 1209600.

The previous prime is 3138221. The next prime is 3138283. The reversal of 3138226 is 6228313.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3138226.

It is not an unprimeable number, because it can be changed into a prime (3138221) 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, 7626 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (185724).

Almost surely, 23138226 is an apocalyptic number.

3138226 is a deficient number, since it is larger than the sum of its proper divisors (2804942).

3138226 is a wasteful number, since it uses less digits than its factorization.

3138226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its digits is 1728, while the sum is 25.

The square root of 3138226 is about 1771.5038808876. The cubic root of 3138226 is about 146.4068529246.

It can be divided in two parts, 3138 and 226, that added together give a square (3364 = 582).

The spelling of 3138226 in words is "three million, one hundred thirty-eight thousand, two hundred twenty-six".

Divisors: 1 2 7 13 14 26 43 86 91 182 301 401 559 602 802 1118 2807 3913 5213 5614 7826 10426 17243 34486 36491 72982 120701 224159 241402 448318 1569113 3138226