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106582505 = 521316501
BaseRepresentation
bin1100101101001…
…01000111101001
321102112221201012
412112211013221
5204241120010
614324233305
72432636111
oct626450751
9242487635
10106582505
1155188017
122b83b835
1319109993
1410226041
159555005
hex65a51e9

106582505 has 4 divisors (see below), whose sum is σ = 127899012. Its totient is φ = 85266000.

The previous prime is 106582501. The next prime is 106582543. The reversal of 106582505 is 505285601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505285601 = 1926593979.

It can be written as a sum of positive squares in 2 ways, for example, as 14115049 + 92467456 = 3757^2 + 9616^2 .

It is not a de Polignac number, because 106582505 - 22 = 106582501 is a prime.

It is a super-2 number, since 2×1065825052 = 22719660744150050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106582501) 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, 10658246 + ... + 10658255.

It is an arithmetic number, because the mean of its divisors is an integer number (31974753).

Almost surely, 2106582505 is an apocalyptic number.

It is an amenable number.

106582505 is a deficient number, since it is larger than the sum of its proper divisors (21316507).

106582505 is an equidigital number, since it uses as much as digits as its factorization.

106582505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21316506.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 106582505 is about 10323.8803266989. The cubic root of 106582505 is about 474.1276769175.

The spelling of 106582505 in words is "one hundred six million, five hundred eighty-two thousand, five hundred five".

Divisors: 1 5 21316501 106582505