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382131 = 3314153
BaseRepresentation
bin1011101010010110011
3201102012000
41131102303
544212011
612105043
73151041
oct1352263
9642160
10382131
11241112
12165183
13104c19
149d391
1578356
hex5d4b3

382131 has 8 divisors (see below), whose sum is σ = 566160. Its totient is φ = 254736.

The previous prime is 382117. The next prime is 382163. The reversal of 382131 is 131283.

It is not a de Polignac number, because 382131 - 27 = 382003 is a prime.

It is a super-2 number, since 2×3821312 = 292048202322, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (382171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7050 + ... + 7103.

It is an arithmetic number, because the mean of its divisors is an integer number (70770).

2382131 is an apocalyptic number.

382131 is a deficient number, since it is larger than the sum of its proper divisors (184029).

382131 is a wasteful number, since it uses less digits than its factorization.

382131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162 (or 14156 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 382131 is about 618.1674530416. The cubic root of 382131 is about 72.5667083205.

The spelling of 382131 in words is "three hundred eighty-two thousand, one hundred thirty-one".

Divisors: 1 3 9 27 14153 42459 127377 382131