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4228169 = 11675737
BaseRepresentation
bin10000001000010001001001
321221210221212
4100020101021
52040300134
6230342505
750640011
oct20102111
97853855
104228169
112428760
1214baa35
13b5069a
147c0c41
15587bce
hex408449

4228169 has 8 divisors (see below), whose sum is σ = 4682208. Its totient is φ = 3785760.

The previous prime is 4228157. The next prime is 4228177. The reversal of 4228169 is 9618224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-4228169 is a prime.

It is a super-2 number, since 2×42281692 = 35754826185122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4228109) 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, 2132 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (585276).

Almost surely, 24228169 is an apocalyptic number.

It is an amenable number.

4228169 is a deficient number, since it is larger than the sum of its proper divisors (454039).

4228169 is a wasteful number, since it uses less digits than its factorization.

4228169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815.

The product of its digits is 6912, while the sum is 32.

The square root of 4228169 is about 2056.2512006076. The cubic root of 4228169 is about 161.7027649342.

The spelling of 4228169 in words is "four million, two hundred twenty-eight thousand, one hundred sixty-nine".

Divisors: 1 11 67 737 5737 63107 384379 4228169