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3128226 = 234711093
BaseRepresentation
bin1011111011101110100010
312212221010020
423323232202
51300100401
6151014310
735406123
oct13735642
95787106
103128226
111847312
12106a396
13856b2a
145b604a
1541bd36
hex2fbba2

3128226 has 16 divisors (see below), whose sum is σ = 6390144. Its totient is φ = 1020464.

The previous prime is 3128197. The next prime is 3128227. The reversal of 3128226 is 6228213.

It is a d-powerful number, because it can be written as 38 + 1 + 28 + 86 + 217 + 220 + 68 .

It is a junction number, because it is equal to n+sod(n) for n = 3128196 and 3128205.

It is not an unprimeable number, because it can be changed into a prime (3128227) 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, 5265 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (399384).

Almost surely, 23128226 is an apocalyptic number.

3128226 is an abundant number, since it is smaller than the sum of its proper divisors (3261918).

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

3128226 is a wasteful number, since it uses less digits than its factorization.

3128226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145.

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

The square root of 3128226 is about 1768.6791681930. The cubic root of 3128226 is about 146.2511783089.

The spelling of 3128226 in words is "three million, one hundred twenty-eight thousand, two hundred twenty-six".

Divisors: 1 2 3 6 47 94 141 282 11093 22186 33279 66558 521371 1042742 1564113 3128226