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2705105 = 51341617
BaseRepresentation
bin1010010100011011010001
312002102201002
422110123101
51143030410
6133551345
731664414
oct12243321
95072632
102705105
111588427
12aa5555
13739370
14505b7b
153867a5
hex2946d1

2705105 has 8 divisors (see below), whose sum is σ = 3495912. Its totient is φ = 1997568.

The previous prime is 2705093. The next prime is 2705111. The reversal of 2705105 is 5015072.

It can be written as a sum of positive squares in 4 ways, for example, as 654481 + 2050624 = 809^2 + 1432^2 .

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 2705105 - 26 = 2705041 is a prime.

It is a super-2 number, since 2×27051052 = 14635186122050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

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, 20744 + ... + 20873.

It is an arithmetic number, because the mean of its divisors is an integer number (436989).

22705105 is an apocalyptic number.

It is an amenable number.

2705105 is a deficient number, since it is larger than the sum of its proper divisors (790807).

2705105 is a wasteful number, since it uses less digits than its factorization.

2705105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41635.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2705105 is about 1644.7203409699. The cubic root of 2705105 is about 139.3353701668.

The spelling of 2705105 in words is "two million, seven hundred five thousand, one hundred five".

Divisors: 1 5 13 65 41617 208085 541021 2705105