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105181085 = 5208310099
BaseRepresentation
bin1100100010011…
…10111110011101
321022220202022202
412101032332131
5203411243320
614234221245
72415011252
oct621167635
9238822282
10105181085
1154410119
122b284825
1318a38b39
14dd7d429
159379b75
hex644ef9d

105181085 has 8 divisors (see below), whose sum is σ = 126290400. Its totient is φ = 84096144.

The previous prime is 105181073. The next prime is 105181117. The reversal of 105181085 is 580181501.

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 105181085 - 218 = 104918941 is a prime.

It is a super-2 number, since 2×1051810852 = 22126121283554450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366 + ... + 15464.

It is an arithmetic number, because the mean of its divisors is an integer number (15786300).

Almost surely, 2105181085 is an apocalyptic number.

It is an amenable number.

105181085 is a deficient number, since it is larger than the sum of its proper divisors (21109315).

105181085 is a wasteful number, since it uses less digits than its factorization.

105181085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 105181085 is about 10255.7830027746. The cubic root of 105181085 is about 472.0404497676.

The spelling of 105181085 in words is "one hundred five million, one hundred eighty-one thousand, eighty-five".

Divisors: 1 5 2083 10099 10415 50495 21036217 105181085