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4023228 = 22311291051
BaseRepresentation
bin1111010110001110111100
321120101211110
433112032330
52012220403
6222122020
746124346
oct17261674
97511743
104023228
1122a8790
121420310
13aab311
1476a296
15547103
hex3d63bc

4023228 has 48 divisors (see below), whose sum is σ = 10604160. Its totient is φ = 1176000.

The previous prime is 4023223. The next prime is 4023241. The reversal of 4023228 is 8223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023221) 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, 3303 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (220920).

Almost surely, 24023228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4023228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5302080).

4023228 is an abundant number, since it is smaller than the sum of its proper divisors (6580932).

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

4023228 is a wasteful number, since it uses less digits than its factorization.

4023228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4023228 is about 2005.7985940767. The cubic root of 4023228 is about 159.0467802702.

The spelling of 4023228 in words is "four million, twenty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 29 33 44 58 66 87 116 132 174 319 348 638 957 1051 1276 1914 2102 3153 3828 4204 6306 11561 12612 23122 30479 34683 46244 60958 69366 91437 121916 138732 182874 335269 365748 670538 1005807 1341076 2011614 4023228