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4227066 = 23497269
BaseRepresentation
bin10000000111111111111010
321221202110000
4100013333322
52040231231
6230333430
750633544
oct20077772
97852400
104227066
112427948
1214ba276
13b5002c
147c0694
155876e6
hex407ffa

4227066 has 40 divisors (see below), whose sum is σ = 9604980. Its totient is φ = 1389312.

The previous prime is 4227061. The next prime is 4227077. The reversal of 4227066 is 6607224.

It can be written as a sum of positive squares in 2 ways, for example, as 3884841 + 342225 = 1971^2 + 585^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4227061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15580 + ... + 15848.

Almost surely, 24227066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4227066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4802490).

4227066 is an abundant number, since it is smaller than the sum of its proper divisors (5377914).

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

4227066 is a wasteful number, since it uses less digits than its factorization.

4227066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 4227066 is about 2055.9829765832. The cubic root of 4227066 is about 161.6887026091.

The spelling of 4227066 in words is "four million, two hundred twenty-seven thousand, sixty-six".

Divisors: 1 2 3 6 9 18 27 54 81 97 162 194 269 291 538 582 807 873 1614 1746 2421 2619 4842 5238 7263 7857 14526 15714 21789 26093 43578 52186 78279 156558 234837 469674 704511 1409022 2113533 4227066