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106871481 = 341319401
BaseRepresentation
bin1100101111010…
…11101010111001
321110002122010000
412113223222321
5204324341411
614334343213
72435251443
oct627535271
9243078100
10106871481
1155365142
122b95ab09
13191ab382
141029d493
1595b0956
hex65ebab9

106871481 has 10 divisors (see below), whose sum is σ = 159647642. Its totient is φ = 71247600.

The previous prime is 106871473. The next prime is 106871497. The reversal of 106871481 is 184178601.

106871481 is a `hidden beast` number, since 106 + 8 + 71 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100701225 + 6170256 = 10035^2 + 2484^2 .

It is not a de Polignac number, because 106871481 - 23 = 106871473 is a prime.

It is a super-2 number, since 2×1068714812 = 22843026902266722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106871411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 659620 + ... + 659781.

Almost surely, 2106871481 is an apocalyptic number.

It is an amenable number.

106871481 is a deficient number, since it is larger than the sum of its proper divisors (52776161).

106871481 is an equidigital number, since it uses as much as digits as its factorization.

106871481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319413 (or 1319404 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 106871481 is about 10337.8663659384. The cubic root of 106871481 is about 474.5557893292. Note that the first 3 decimals are identical.

The spelling of 106871481 in words is "one hundred six million, eight hundred seventy-one thousand, four hundred eighty-one".

Divisors: 1 3 9 27 81 1319401 3958203 11874609 35623827 106871481