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105055547 is a prime number
BaseRepresentation
bin1100100001100…
…00010100111011
321022200101010012
412100300110323
5203343234142
614231412135
72413646252
oct620602473
9238611105
10105055547
1154334873
122b22404b
13189c395c
14dd49799
159352882
hex643053b

105055547 has 2 divisors, whose sum is σ = 105055548. Its totient is φ = 105055546.

The previous prime is 105055471. The next prime is 105055583. The reversal of 105055547 is 745550501.

It is a strong prime.

It is an emirp because it is prime and its reverse (745550501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105055547 is a prime.

It is a super-2 number, since 2×1050555472 = 22073335910938418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105055147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52527773 + 52527774.

It is an arithmetic number, because the mean of its divisors is an integer number (52527774).

Almost surely, 2105055547 is an apocalyptic number.

105055547 is a deficient number, since it is larger than the sum of its proper divisors (1).

105055547 is an equidigital number, since it uses as much as digits as its factorization.

105055547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 105055547 is about 10249.6608236566. The cubic root of 105055547 is about 471.8525750319.

The spelling of 105055547 in words is "one hundred five million, fifty-five thousand, five hundred forty-seven".