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3819228 = 2237192393
BaseRepresentation
bin1110100100011011011100
321012000222220
432210123130
51434203403
6213505340
744314530
oct16443334
97160886
103819228
112179496
121342250
13a394ca
14715bc0
15506953
hex3a46dc

3819228 has 48 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 1033344.

The previous prime is 3819227. The next prime is 3819229. The reversal of 3819228 is 8229183.

It is an interprime number because it is at equal distance from previous prime (3819227) and next prime (3819229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3819223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

Almost surely, 23819228 is an apocalyptic number.

3819228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3819228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

3819228 is an abundant number, since it is smaller than the sum of its proper divisors (6905892).

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

3819228 is a wasteful number, since it uses less digits than its factorization.

3819228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2424 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 3819228 is about 1954.2845238092. The cubic root of 3819228 is about 156.3118351525.

The spelling of 3819228 in words is "three million, eight hundred nineteen thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 2393 4786 7179 9572 14358 16751 28716 33502 45467 50253 67004 90934 100506 136401 181868 201012 272802 318269 545604 636538 954807 1273076 1909614 3819228