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105106207 = 107982301
BaseRepresentation
bin1100100001111…
…00101100011111
321022202221121111
412100330230133
5203401344312
614232442451
72414250043
oct620745437
9238687544
10105106207
1154369938
122b249427
1318a10a2b
14dd60023
1593628a7
hex643cb1f

105106207 has 4 divisors (see below), whose sum is σ = 106088616. Its totient is φ = 104123800.

The previous prime is 105106201. The next prime is 105106217. The reversal of 105106207 is 702601501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105106207 is a prime.

It is a super-2 number, since 2×1051062072 = 22094629499853698, 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 (105106201) 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, 491044 + ... + 491257.

It is an arithmetic number, because the mean of its divisors is an integer number (26522154).

Almost surely, 2105106207 is an apocalyptic number.

105106207 is a deficient number, since it is larger than the sum of its proper divisors (982409).

105106207 is an equidigital number, since it uses as much as digits as its factorization.

105106207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982408.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 105106207 is about 10252.1318270885. The cubic root of 105106207 is about 471.9284085974.

Adding to 105106207 its reverse (702601501), we get a palindrome (807707708).

The spelling of 105106207 in words is "one hundred five million, one hundred six thousand, two hundred seven".

Divisors: 1 107 982301 105106207