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38280812 = 2229331997
BaseRepresentation
bin1001001000000…
…1111001101100
32200000212101212
42102001321230
534244441222
63444253552
7643244603
oct222017154
980025355
1038280812
111a676a39
12109a12b8
137c1418b
145126a3a
1535626e2
hex2481e6c

38280812 has 24 divisors (see below), whose sum is σ = 69580560. Its totient is φ = 18406080.

The previous prime is 38280797. The next prime is 38280859. The reversal of 38280812 is 21808283.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37898 + ... + 38894.

It is an arithmetic number, because the mean of its divisors is an integer number (2899190).

Almost surely, 238280812 is an apocalyptic number.

It is an amenable number.

38280812 is a deficient number, since it is larger than the sum of its proper divisors (31299748).

38280812 is a wasteful number, since it uses less digits than its factorization.

38280812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 38280812 is about 6187.1489395359. The cubic root of 38280812 is about 337.0236520952.

The spelling of 38280812 in words is "thirty-eight million, two hundred eighty thousand, eight hundred twelve".

Divisors: 1 2 4 29 58 116 331 662 997 1324 1994 3988 9599 19198 28913 38396 57826 115652 330007 660014 1320028 9570203 19140406 38280812