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106205126 = 253102563
BaseRepresentation
bin1100101010010…
…00111111000110
321101211210001012
412111020333012
5204142031001
614312202222
72426504636
oct625107706
9241753035
10106205126
1154a4a535
122b699372
1319006c91
14101686c6
1594cd2bb
hex6548fc6

106205126 has 4 divisors (see below), whose sum is σ = 159307692. Its totient is φ = 53102562.

The previous prime is 106205123. The next prime is 106205149. The reversal of 106205126 is 621502601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621502601 = 3120048471.

It is a super-5 number, since 5×1062051265 (a number of 41 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106205123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26551280 + ... + 26551283.

It is an arithmetic number, because the mean of its divisors is an integer number (39826923).

Almost surely, 2106205126 is an apocalyptic number.

106205126 is a deficient number, since it is larger than the sum of its proper divisors (53102566).

106205126 is an equidigital number, since it uses as much as digits as its factorization.

106205126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53102565.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 106205126 is about 10305.5871254383. The cubic root of 106205126 is about 473.5674304352.

Adding to 106205126 its reverse (621502601), we get a palindrome (727707727).

The spelling of 106205126 in words is "one hundred six million, two hundred five thousand, one hundred twenty-six".

Divisors: 1 2 53102563 106205126