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38164239 = 3233712583
BaseRepresentation
bin1001000110010…
…1011100001111
32122210221111100
42101211130033
534232223424
63441554143
7642251001
oct221453417
978727440
1038164239
111a5a73a3
1210945953
137ba30b9
1450d6371
15353cdc9
hex246570f

38164239 has 12 divisors (see below), whose sum is σ = 55294096. Its totient is φ = 25365312.

The previous prime is 38164211. The next prime is 38164253. The reversal of 38164239 is 93246183.

38164239 is a `hidden beast` number, since 3 + 8 + 1 + 642 + 3 + 9 = 666.

38164239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38164239 - 25 = 38164207 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 (38164289) 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 11 ways as a sum of consecutive naturals, for example, 3259 + ... + 9324.

Almost surely, 238164239 is an apocalyptic number.

38164239 is a deficient number, since it is larger than the sum of its proper divisors (17129857).

38164239 is a wasteful number, since it uses less digits than its factorization.

38164239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926 (or 12923 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 38164239 is about 6177.7211817951. The cubic root of 38164239 is about 336.6812019778.

It can be divided in two parts, 381 and 64239, that added together give a triangular number (64620 = T359).

The spelling of 38164239 in words is "thirty-eight million, one hundred sixty-four thousand, two hundred thirty-nine".

Divisors: 1 3 9 337 1011 3033 12583 37749 113247 4240471 12721413 38164239