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38193 = 329439
BaseRepresentation
bin1001010100110001
31221101120
421110301
52210233
6452453
7216231
oct112461
957346
1038193
1126771
121a129
13144cc
14dcc1
15b4b3
hex9531

38193 has 8 divisors (see below), whose sum is σ = 52800. Its totient is φ = 24528.

The previous prime is 38189. The next prime is 38197. The reversal of 38193 is 39183.

It is an interprime number because it is at equal distance from previous prime (38189) and next prime (38197).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38193 - 22 = 38189 is a prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 14 and base 16.

It is not an unprimeable number, because it can be changed into a prime (38197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 133 + ... + 306.

It is an arithmetic number, because the mean of its divisors is an integer number (6600).

238193 is an apocalyptic number.

It is an amenable number.

38193 is a deficient number, since it is larger than the sum of its proper divisors (14607).

38193 is a wasteful number, since it uses less digits than its factorization.

38193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its digits is 648, while the sum is 24.

The square root of 38193 is about 195.4302944786. The cubic root of 38193 is about 33.6765756322.

Subtracting 38193 from its reverse (39183), we obtain a triangular number (990 = T44).

It can be divided in two parts, 381 and 93, that added together give a palindrome (474).

The spelling of 38193 in words is "thirty-eight thousand, one hundred ninety-three".

Divisors: 1 3 29 87 439 1317 12731 38193