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38971371 = 331419047
BaseRepresentation
bin1001010010101…
…0011111101011
32201022221200010
42110222133223
534434040441
63511143003
7652152105
oct224523753
981287603
1038971371
111aaa884a
1211074a63
1380c65aa
145266575
15364c116
hex252a7eb

38971371 has 8 divisors (see below), whose sum is σ = 53638144. Its totient is φ = 25142760.

The previous prime is 38971351. The next prime is 38971381. The reversal of 38971371 is 17317983.

It is a happy number.

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

It is not a de Polignac number, because 38971371 - 27 = 38971243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38971301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209431 + ... + 209616.

It is an arithmetic number, because the mean of its divisors is an integer number (6704768).

Almost surely, 238971371 is an apocalyptic number.

38971371 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

38971371 is a deficient number, since it is larger than the sum of its proper divisors (14666773).

38971371 is a wasteful number, since it uses less digits than its factorization.

38971371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419081.

The product of its digits is 31752, while the sum is 39.

The square root of 38971371 is about 6242.7054231319. The cubic root of 38971371 is about 339.0381436531.

The spelling of 38971371 in words is "thirty-eight million, nine hundred seventy-one thousand, three hundred seventy-one".

Divisors: 1 3 31 93 419047 1257141 12990457 38971371