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106216205 = 5108719543
BaseRepresentation
bin1100101010010…
…11101100001101
321101212100020112
412111023230031
5204142404310
614312325405
72426552144
oct625135415
9241770215
10106216205
1154a57897
122b6a3865
131900c034
141016c75b
1594d1705
hex654bb0d

106216205 has 8 divisors (see below), whose sum is σ = 127583232. Its totient is φ = 84890448.

The previous prime is 106216181. The next prime is 106216207. The reversal of 106216205 is 502612601.

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

It is a cyclic number.

It is not a de Polignac number, because 106216205 - 218 = 105954061 is a prime.

It is a super-2 number, since 2×1062162052 = 22563764409204050, 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 (106216207) 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, 4337 + ... + 15206.

It is an arithmetic number, because the mean of its divisors is an integer number (15947904).

Almost surely, 2106216205 is an apocalyptic number.

It is an amenable number.

106216205 is a deficient number, since it is larger than the sum of its proper divisors (21367027).

106216205 is a wasteful number, since it uses less digits than its factorization.

106216205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20635.

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

The square root of 106216205 is about 10306.1246353807. The cubic root of 106216205 is about 473.5838969070.

Adding to 106216205 its reverse (502612601), we get a palindrome (608828806).

The spelling of 106216205 in words is "one hundred six million, two hundred sixteen thousand, two hundred five".

Divisors: 1 5 1087 5435 19543 97715 21243241 106216205