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106320517 = 131811607
BaseRepresentation
bin1100101011001…
…01001010000101
321102001122022221
412111211022011
5204204224032
614314452341
72430465232
oct625451205
9242048287
10106320517
11550191a6
122b7340b1
1319047664
1410198789
159502597
hex6565285

106320517 has 4 divisors (see below), whose sum is σ = 107132256. Its totient is φ = 105508780.

The previous prime is 106320509. The next prime is 106320521. The reversal of 106320517 is 715023601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 715023601 = 2572782193.

It is a cyclic number.

It is not a de Polignac number, because 106320517 - 23 = 106320509 is a prime.

It is a super-2 number, since 2×1063205172 = 22608104670294578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106320491 and 106320500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106320527) 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, 405673 + ... + 405934.

It is an arithmetic number, because the mean of its divisors is an integer number (26783064).

Almost surely, 2106320517 is an apocalyptic number.

It is an amenable number.

106320517 is a deficient number, since it is larger than the sum of its proper divisors (811739).

106320517 is an equidigital number, since it uses as much as digits as its factorization.

106320517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811738.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 106320517 is about 10311.1840736164. The cubic root of 106320517 is about 473.7388774038.

The spelling of 106320517 in words is "one hundred six million, three hundred twenty thousand, five hundred seventeen".

Divisors: 1 131 811607 106320517