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38208 = 263199
BaseRepresentation
bin1001010101000000
31221102010
421111000
52210313
6452520
7216252
oct112500
957363
1038208
1126785
121a140
1314511
14dcd2
15b4c3
hex9540

38208 has 28 divisors (see below), whose sum is σ = 101600. Its totient is φ = 12672.

The previous prime is 38201. The next prime is 38219. The reversal of 38208 is 80283.

It is a super-3 number, since 3×382083 = 167333991284736, which contains 333 as substring.

It is a nialpdrome in base 4 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38201) by changing a digit.

38208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 291.

238208 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 38208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50800).

38208 is an abundant number, since it is smaller than the sum of its proper divisors (63392).

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

38208 is a wasteful number, since it uses less digits than its factorization.

38208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 38208 is about 195.4686675659. The cubic root of 38208 is about 33.6809837918.

It can be divided in two parts, 3820 and 8, that added together give a triangular number (3828 = T87).

The spelling of 38208 in words is "thirty-eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 199 398 597 796 1194 1592 2388 3184 4776 6368 9552 12736 19104 38208