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39200 = 255272
BaseRepresentation
bin1001100100100000
31222202212
421210200
52223300
6501252
7222200
oct114440
958685
1039200
11274a7
121a828
1314ac5
1410400
15b935
hex9920

39200 has 54 divisors (see below), whose sum is σ = 111321. Its totient is φ = 13440.

The previous prime is 39199. The next prime is 39209. The reversal of 39200 is 293.

Adding to 39200 its reverse (293), we get a palindrome (39493).

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

39200 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 38416 + 784 = 196^2 + 28^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=140.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 7 and base 16.

It is a zygodrome in base 5 and base 7.

It is not an unprimeable number, because it can be changed into a prime (39209) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 5597 + ... + 5603.

239200 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 39200

39200 is an abundant number, since it is smaller than the sum of its proper divisors (72121).

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

39200 is a wasteful number, since it uses less digits than its factorization.

39200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 39200 is about 197.9898987322. The cubic root of 39200 is about 33.9699850448.

The spelling of 39200 in words is "thirty-nine thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 140 160 175 196 200 224 245 280 350 392 400 490 560 700 784 800 980 1120 1225 1400 1568 1960 2450 2800 3920 4900 5600 7840 9800 19600 39200