Search a number
-
+
2753139845 = 53797153421
BaseRepresentation
bin1010010000011001…
…1001010010000101
321002212111222212102
42210012121102011
521114300433340
61133105201445
7125140205531
oct24406312205
97085458772
102753139845
111193091795
1264a030285
1334b501041
141c1906bc1
15111a80215
hexa4199485

2753139845 has 16 divisors (see below), whose sum is σ = 3428061168. Its totient is φ = 2120878080.

The previous prime is 2753139827. The next prime is 2753139869. The reversal of 2753139845 is 5489313572.

It can be written as a sum of positive squares in 8 ways, for example, as 5597956 + 2747541889 = 2366^2 + 52417^2 .

It is not a de Polignac number, because 2753139845 - 210 = 2753138821 is a prime.

It is a super-2 number, since 2×27531398452 = 15159558012253248050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 2753139845.

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, 58766 + ... + 94655.

It is an arithmetic number, because the mean of its divisors is an integer number (214253823).

Almost surely, 22753139845 is an apocalyptic number.

It is an amenable number.

2753139845 is a deficient number, since it is larger than the sum of its proper divisors (674921323).

2753139845 is a wasteful number, since it uses less digits than its factorization.

2753139845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153560.

The product of its digits is 907200, while the sum is 47.

The square root of 2753139845 is about 52470.3711155162. The cubic root of 2753139845 is about 1401.5526727767.

It can be divided in two parts, 27531 and 39845, that added together give a palindrome (67376).

The spelling of 2753139845 in words is "two billion, seven hundred fifty-three million, one hundred thirty-nine thousand, eight hundred forty-five".

Divisors: 1 5 37 97 185 485 3589 17945 153421 767105 5676577 14881837 28382885 74409185 550627969 2753139845