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38289271 = 376910159
BaseRepresentation
bin1001001000001…
…1111101110111
32200001022000011
42102003331313
534300224041
63444401051
7643311346
oct222037567
980038004
1038289271
111a682329
12109a6187
137c17c97
145129b5d
153564e81
hex2483f77

38289271 has 4 divisors (see below), whose sum is σ = 38303200. Its totient is φ = 38275344.

The previous prime is 38289269. The next prime is 38289299. The reversal of 38289271 is 17298283.

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

It is a cyclic number.

It is not a de Polignac number, because 38289271 - 21 = 38289269 is a prime.

It is a super-2 number, since 2×382892712 = 2932136547422882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38289211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311 + ... + 8848.

It is an arithmetic number, because the mean of its divisors is an integer number (9575800).

Almost surely, 238289271 is an apocalyptic number.

38289271 is a deficient number, since it is larger than the sum of its proper divisors (13929).

38289271 is a wasteful number, since it uses less digits than its factorization.

38289271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13928.

The product of its digits is 48384, while the sum is 40.

The square root of 38289271 is about 6187.8324961169. The cubic root of 38289271 is about 337.0484745669.

The spelling of 38289271 in words is "thirty-eight million, two hundred eighty-nine thousand, two hundred seventy-one".

Divisors: 1 3769 10159 38289271