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106505647 = 3714919319
BaseRepresentation
bin1100101100100…
…10010110101111
321102102001021121
412112102112233
5204231140042
614322441411
72432166043
oct626222657
9242361247
10106505647
11551352a6
122b803267
13190b09c1
1410206023
15953c367
hex65925af

106505647 has 8 divisors (see below), whose sum is σ = 110124000. Its totient is φ = 102926304.

The previous prime is 106505639. The next prime is 106505653. The reversal of 106505647 is 746505601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106505647 - 23 = 106505639 is a prime.

It is a super-2 number, since 2×1065056472 = 22686905685777218, 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 (106505627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4147 + ... + 15172.

It is an arithmetic number, because the mean of its divisors is an integer number (13765500).

Almost surely, 2106505647 is an apocalyptic number.

106505647 is a deficient number, since it is larger than the sum of its proper divisors (3618353).

106505647 is a wasteful number, since it uses less digits than its factorization.

106505647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19505.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 106505647 is about 10320.1573146924. The cubic root of 106505647 is about 474.0136830128.

The spelling of 106505647 in words is "one hundred six million, five hundred five thousand, six hundred forty-seven".

Divisors: 1 37 149 5513 19319 714803 2878531 106505647