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38273228 = 22747127229
BaseRepresentation
bin1001001000000…
…0000011001100
32200000110222222
42102000003030
534244220403
63444154512
7643213520
oct222000314
980013888
1038273228
111a671274
1210998a38
137c108a6
145123d80
153560338
hex24800cc

38273228 has 48 divisors (see below), whose sum is σ = 79134720. Its totient is φ = 15857856.

The previous prime is 38273197. The next prime is 38273269. The reversal of 38273228 is 82237283.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167018 + ... + 167246.

It is an arithmetic number, because the mean of its divisors is an integer number (1648640).

Almost surely, 238273228 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 38273228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39567360).

38273228 is an abundant number, since it is smaller than the sum of its proper divisors (40861492).

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

38273228 is a wasteful number, since it uses less digits than its factorization.

38273228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 412 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 38273228 is about 6186.5360259195. The cubic root of 38273228 is about 337.0013941540.

The spelling of 38273228 in words is "thirty-eight million, two hundred seventy-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 47 94 127 188 229 254 329 458 508 658 889 916 1316 1603 1778 3206 3556 5969 6412 10763 11938 21526 23876 29083 41783 43052 58166 75341 83566 116332 150682 167132 203581 301364 407162 814324 1366901 2733802 5467604 9568307 19136614 38273228