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105304685 = 5186111317
BaseRepresentation
bin1100100011011…
…01001001101101
321100011000212112
412101231021231
5203424222220
614241013405
72416034513
oct621551155
9240130775
10105304685
1154494a72
122b324265
1318a80185
14ddb24b3
1593a15c5
hex646d26d

105304685 has 8 divisors (see below), whose sum is σ = 126444696. Its totient is φ = 84191040.

The previous prime is 105304663. The next prime is 105304697. The reversal of 105304685 is 586403501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6620329 + 98684356 = 2573^2 + 9934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105304685 - 212 = 105300589 is a prime.

It is a super-2 number, since 2×1053046852 = 22178153365898450, which contains 22 as substring.

It is a Duffinian 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, 3647 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (15805587).

Almost surely, 2105304685 is an apocalyptic number.

It is an amenable number.

105304685 is a deficient number, since it is larger than the sum of its proper divisors (21140011).

105304685 is a wasteful number, since it uses less digits than its factorization.

105304685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 105304685 is about 10261.8071020654. The cubic root of 105304685 is about 472.2252781860.

The spelling of 105304685 in words is "one hundred five million, three hundred four thousand, six hundred eighty-five".

Divisors: 1 5 1861 9305 11317 56585 21060937 105304685