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106742171 = 195618009
BaseRepresentation
bin1100101110011…
…00000110011011
321102212001201202
412113030012123
5204311222141
614331504415
72434202444
oct627140633
9242761652
10106742171
1155286a78
122b8b810b
1319164563
14102682cb
15958749b
hex65cc19b

106742171 has 4 divisors (see below), whose sum is σ = 112360200. Its totient is φ = 101124144.

The previous prime is 106742137. The next prime is 106742177. The reversal of 106742171 is 171247601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106742171 is a prime.

It is a super-2 number, since 2×1067421712 = 22787782139586482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106742177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808986 + ... + 2809023.

It is an arithmetic number, because the mean of its divisors is an integer number (28090050).

Almost surely, 2106742171 is an apocalyptic number.

106742171 is a deficient number, since it is larger than the sum of its proper divisors (5618029).

106742171 is an equidigital number, since it uses as much as digits as its factorization.

106742171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618028.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 106742171 is about 10331.6102810743. The cubic root of 106742171 is about 474.3643145634.

Adding to 106742171 its reverse (171247601), we get a palindrome (277989772).

The spelling of 106742171 in words is "one hundred six million, seven hundred forty-two thousand, one hundred seventy-one".

Divisors: 1 19 5618009 106742171