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38207228 = 2217612151
BaseRepresentation
bin1001000110111…
…1111011111100
32122220010110112
42101233323330
534240112403
63442525152
7642520223
oct221577374
978803415
1038207228
111a626724
12109667b8
137bb9837
145107cba
15354a9d8
hex246fefc

38207228 has 36 divisors (see below), whose sum is σ = 72452016. Its totient is φ = 17568000.

The previous prime is 38207227. The next prime is 38207231. The reversal of 38207228 is 82270283.

It is a junction number, because it is equal to n+sod(n) for n = 38207194 and 38207203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38207227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252953 + ... + 253103.

It is an arithmetic number, because the mean of its divisors is an integer number (2012556).

Almost surely, 238207228 is an apocalyptic number.

It is an amenable number.

38207228 is a deficient number, since it is larger than the sum of its proper divisors (34244788).

38207228 is a wasteful number, since it uses less digits than its factorization.

38207228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 38207228 is about 6181.1995599560. The cubic root of 38207228 is about 336.8075694667.

The spelling of 38207228 in words is "thirty-eight million, two hundred seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 17 34 61 68 122 151 244 302 604 1037 2074 2567 3721 4148 5134 7442 9211 10268 14884 18422 36844 63257 126514 156587 253028 313174 561871 626348 1123742 2247484 9551807 19103614 38207228