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118471 is a prime number
BaseRepresentation
bin11100111011000111
320000111211
4130323013
512242341
62312251
71002253
oct347307
9200454
10118471
1181011
1258687
1341c02
1431263
1525181
hex1cec7

118471 has 2 divisors, whose sum is σ = 118472. Its totient is φ = 118470.

The previous prime is 118463. The next prime is 118493. The reversal of 118471 is 174811.

It is an a-pointer prime, because the next prime (118493) can be obtained adding 118471 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118471 - 23 = 118463 is a prime.

It is a super-3 number, since 3×1184713 = 4988355744603333, which contains 333 as substring.

118471 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118411) 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 as a sum of consecutive naturals, namely, 59235 + 59236.

It is an arithmetic number, because the mean of its divisors is an integer number (59236).

2118471 is an apocalyptic number.

118471 is a deficient number, since it is larger than the sum of its proper divisors (1).

118471 is an equidigital number, since it uses as much as digits as its factorization.

118471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 22.

The square root of 118471 is about 344.1961649990. The cubic root of 118471 is about 49.1138543649.

The spelling of 118471 in words is "one hundred eighteen thousand, four hundred seventy-one".