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106443047 = 971097351
BaseRepresentation
bin1100101100000…
…11000100100111
321102021212102002
412112003010213
5204222134142
614321235515
72431515404
oct626030447
9242255362
10106443047
11550a2267
122b792b9b
131908b369
14101cb2ab
159528a32
hex6583127

106443047 has 4 divisors (see below), whose sum is σ = 107540496. Its totient is φ = 105345600.

The previous prime is 106443041. The next prime is 106443049. The reversal of 106443047 is 740344601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740344601 = 963176871.

It is a cyclic number.

It is not a de Polignac number, because 106443047 - 26 = 106442983 is a prime.

It is a super-2 number, since 2×1064430472 = 22660244509288418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106443041) 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, 548579 + ... + 548772.

It is an arithmetic number, because the mean of its divisors is an integer number (26885124).

Almost surely, 2106443047 is an apocalyptic number.

106443047 is a deficient number, since it is larger than the sum of its proper divisors (1097449).

106443047 is an equidigital number, since it uses as much as digits as its factorization.

106443047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097448.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 106443047 is about 10317.1239694016. The cubic root of 106443047 is about 473.9207956937.

Adding to 106443047 its reverse (740344601), we get a palindrome (846787648).

The spelling of 106443047 in words is "one hundred six million, four hundred forty-three thousand, forty-seven".

Divisors: 1 97 1097351 106443047