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4172228 = 223133647
BaseRepresentation
bin1111111010100111000100
321211222012222
433322213010
52032002403
6225231512
750314634
oct17724704
97758188
104172228
11239a725
121492598
13b31098
147a86c4
15576338
hex3fa9c4

4172228 has 12 divisors (see below), whose sum is σ = 7537152. Its totient is φ = 2018760.

The previous prime is 4172183. The next prime is 4172239. The reversal of 4172228 is 8222714.

It is a junction number, because it is equal to n+sod(n) for n = 4172197 and 4172206.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16700 + ... + 16947.

It is an arithmetic number, because the mean of its divisors is an integer number (628096).

Almost surely, 24172228 is an apocalyptic number.

It is an amenable number.

4172228 is a deficient number, since it is larger than the sum of its proper divisors (3364924).

4172228 is a wasteful number, since it uses less digits than its factorization.

4172228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33682 (or 33680 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 4172228 is about 2042.6032409648. The cubic root of 4172228 is about 160.9864577167.

The spelling of 4172228 in words is "four million, one hundred seventy-two thousand, two hundred twenty-eight".

Divisors: 1 2 4 31 62 124 33647 67294 134588 1043057 2086114 4172228