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105309655 = 5117732477
BaseRepresentation
bin1100100011011…
…10010111010111
321100011021200121
412101232113113
5203424402110
614241052411
72416055143
oct621562727
9240137617
10105309655
1154498780
122b327107
1318a82509
14ddb4223
1593a2cda
hex646e5d7

105309655 has 16 divisors (see below), whose sum is σ = 138093984. Its totient is φ = 76458880.

The previous prime is 105309641. The next prime is 105309661. The reversal of 105309655 is 556903501.

It is not a de Polignac number, because 105309655 - 211 = 105307607 is a prime.

It is a super-2 number, since 2×1053096552 = 22180246872438050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105309655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41277 + ... + 43753.

It is an arithmetic number, because the mean of its divisors is an integer number (8630874).

Almost surely, 2105309655 is an apocalyptic number.

105309655 is a deficient number, since it is larger than the sum of its proper divisors (32784329).

105309655 is a wasteful number, since it uses less digits than its factorization.

105309655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 105309655 is about 10262.0492592854. The cubic root of 105309655 is about 472.2327071772.

The spelling of 105309655 in words is "one hundred five million, three hundred nine thousand, six hundred fifty-five".

Divisors: 1 5 11 55 773 2477 3865 8503 12385 27247 42515 136235 1914721 9573605 21061931 105309655