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38289253 = 172252309
BaseRepresentation
bin1001001000001…
…1111101100101
32200001021222111
42102003331211
534300224003
63444401021
7643311322
oct222037545
980037874
1038289253
111a682312
12109a6171
137c17c82
145129b49
153564e6d
hex2483f65

38289253 has 4 divisors (see below), whose sum is σ = 40541580. Its totient is φ = 36036928.

The previous prime is 38289239. The next prime is 38289257. The reversal of 38289253 is 35298283.

38289253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24621444 + 13667809 = 4962^2 + 3697^2 .

It is a cyclic number.

It is not a de Polignac number, because 38289253 - 29 = 38288741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38289257) 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 3 ways as a sum of consecutive naturals, for example, 1126138 + ... + 1126171.

It is an arithmetic number, because the mean of its divisors is an integer number (10135395).

Almost surely, 238289253 is an apocalyptic number.

It is an amenable number.

38289253 is a deficient number, since it is larger than the sum of its proper divisors (2252327).

38289253 is a wasteful number, since it uses less digits than its factorization.

38289253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252326.

The product of its digits is 103680, while the sum is 40.

The square root of 38289253 is about 6187.8310416494. The cubic root of 38289253 is about 337.0484217507.

The spelling of 38289253 in words is "thirty-eight million, two hundred eighty-nine thousand, two hundred fifty-three".

Divisors: 1 17 2252309 38289253