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38393238 = 23134311447
BaseRepresentation
bin1001001001110…
…1010110010110
32200020120121210
42102131112112
534312040423
63450522250
7644223432
oct222352626
980216553
1038393238
111a743454
1210a36386
137c533c0
1451559c2
153585b93
hex249d596

38393238 has 32 divisors (see below), whose sum is σ = 84623616. Its totient is φ = 11537568.

The previous prime is 38393237. The next prime is 38393249. The reversal of 38393238 is 83239383.

38393238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38393196 and 38393205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38393237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370 + ... + 9077.

It is an arithmetic number, because the mean of its divisors is an integer number (2644488).

Almost surely, 238393238 is an apocalyptic number.

38393238 is an abundant number, since it is smaller than the sum of its proper divisors (46230378).

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

38393238 is a wasteful number, since it uses less digits than its factorization.

38393238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11508.

The product of its digits is 93312, while the sum is 39.

The square root of 38393238 is about 6196.2277233814. The cubic root of 38393238 is about 337.3532618621.

The spelling of 38393238 in words is "thirty-eight million, three hundred ninety-three thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 3354 11447 22894 34341 68682 148811 297622 446433 492221 892866 984442 1476663 2953326 6398873 12797746 19196619 38393238