Search a number
-
+
2745475105 = 51095037569
BaseRepresentation
bin1010001110100100…
…1010000000100001
321002100002120211011
42203221022000201
521110320200410
61132233020521
7125015103412
oct24351120041
97070076734
102745475105
11118982709a
12647554741
13349a493a9
141c08ad809
1511106918a
hexa3a4a021

2745475105 has 8 divisors (see below), whose sum is σ = 3324796200. Its totient is φ = 2176229376.

The previous prime is 2745475097. The next prime is 2745475111. The reversal of 2745475105 is 5015745472.

It can be written as a sum of positive squares in 4 ways, for example, as 587965504 + 2157509601 = 24248^2 + 46449^2 .

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 2745475105 - 23 = 2745475097 is a prime.

It is a super-2 number, since 2×27454751052 = 15075267104349522050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518240 + ... + 2519329.

It is an arithmetic number, because the mean of its divisors is an integer number (415599525).

Almost surely, 22745475105 is an apocalyptic number.

It is an amenable number.

2745475105 is a deficient number, since it is larger than the sum of its proper divisors (579321095).

2745475105 is a wasteful number, since it uses less digits than its factorization.

2745475105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037683.

The product of its (nonzero) digits is 196000, while the sum is 40.

The square root of 2745475105 is about 52397.2814657402. The cubic root of 2745475105 is about 1400.2508232572.

The spelling of 2745475105 in words is "two billion, seven hundred forty-five million, four hundred seventy-five thousand, one hundred five".

Divisors: 1 5 109 545 5037569 25187845 549095021 2745475105