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38201871 = 337344161
BaseRepresentation
bin1001000110111…
…0101000001111
32122212212010010
42101232220033
534234424441
63442444303
7642465501
oct221565017
978785103
1038201871
111a6226a4
1210963693
137bb7276
145105d71
153549116
hex246ea0f

38201871 has 8 divisors (see below), whose sum is σ = 52312624. Its totient is φ = 24779520.

The previous prime is 38201869. The next prime is 38201881. The reversal of 38201871 is 17810283.

It is a happy number.

38201871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38201871 - 21 = 38201869 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 (38201881) 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 7 ways as a sum of consecutive naturals, for example, 171970 + ... + 172191.

It is an arithmetic number, because the mean of its divisors is an integer number (6539078).

Almost surely, 238201871 is an apocalyptic number.

38201871 is a deficient number, since it is larger than the sum of its proper divisors (14110753).

38201871 is a wasteful number, since it uses less digits than its factorization.

38201871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344201.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 38201871 is about 6180.7662146371. The cubic root of 38201871 is about 336.7918275720.

Subtracting from 38201871 its product of nonzero digits (2688), we obtain a palindrome (38199183).

The spelling of 38201871 in words is "thirty-eight million, two hundred one thousand, eight hundred seventy-one".

Divisors: 1 3 37 111 344161 1032483 12733957 38201871