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106897047 = 335632349
BaseRepresentation
bin1100101111100…
…01111010010111
321110010221011220
412113301322113
5204331201142
614335101423
72435416125
oct627617227
9243127156
10106897047
1155382374
122b971873
13191b9bba
14102a8915
1595b82ec
hex65f1e97

106897047 has 4 divisors (see below), whose sum is σ = 142529400. Its totient is φ = 71264696.

The previous prime is 106897019. The next prime is 106897067. The reversal of 106897047 is 740798601.

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

It is a cyclic number.

It is not a de Polignac number, because 106897047 - 28 = 106896791 is a prime.

It is a super-2 number, since 2×1068970472 = 22853957314640418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106897067) 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 3 ways as a sum of consecutive naturals, for example, 17816172 + ... + 17816177.

It is an arithmetic number, because the mean of its divisors is an integer number (35632350).

Almost surely, 2106897047 is an apocalyptic number.

106897047 is a deficient number, since it is larger than the sum of its proper divisors (35632353).

106897047 is an equidigital number, since it uses as much as digits as its factorization.

106897047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35632352.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 106897047 is about 10339.1028140743. The cubic root of 106897047 is about 474.5936276932.

The spelling of 106897047 in words is "one hundred six million, eight hundred ninety-seven thousand, forty-seven".

Divisors: 1 3 35632349 106897047