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105561095 = 5103204973
BaseRepresentation
bin1100100101010…
…11110000000111
321100122001121012
412102223300013
5204010423340
614250312435
72421153203
oct622536007
9240561535
10105561095
115464a682
122b42871b
1318b3cab3
141003bb03
159402565
hex64abc07

105561095 has 8 divisors (see below), whose sum is σ = 127903776. Its totient is φ = 83628576.

The previous prime is 105561091. The next prime is 105561121. The reversal of 105561095 is 590165501.

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 105561095 - 22 = 105561091 is a prime.

It is a super-2 number, since 2×1055610952 = 22286289555198050, 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 (105561091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101972 + ... + 103001.

It is an arithmetic number, because the mean of its divisors is an integer number (15987972).

Almost surely, 2105561095 is an apocalyptic number.

105561095 is a deficient number, since it is larger than the sum of its proper divisors (22342681).

105561095 is a wasteful number, since it uses less digits than its factorization.

105561095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205081.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 105561095 is about 10274.2929197099. The cubic root of 105561095 is about 472.6082467111.

The spelling of 105561095 in words is "one hundred five million, five hundred sixty-one thousand, ninety-five".

Divisors: 1 5 103 515 204973 1024865 21112219 105561095