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2745411405 = 351116638857
BaseRepresentation
bin1010001110100011…
…1010011101001101
321002022222100102220
42203220322131031
521110311131110
61132231405553
7125014416612
oct24350723515
97068870386
102745411405
111189793250
126475238b9
13349a263b9
141c0894509
15111055370
hexa3a3a74d

2745411405 has 16 divisors (see below), whose sum is σ = 4791991104. Its totient is φ = 1331108480.

The previous prime is 2745411401. The next prime is 2745411419. The reversal of 2745411405 is 5041145472.

It is not a de Polignac number, because 2745411405 - 22 = 2745411401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745411401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8319264 + ... + 8319593.

It is an arithmetic number, because the mean of its divisors is an integer number (299499444).

Almost surely, 22745411405 is an apocalyptic number.

It is an amenable number.

2745411405 is a deficient number, since it is larger than the sum of its proper divisors (2046579699).

2745411405 is a wasteful number, since it uses less digits than its factorization.

2745411405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16638876.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 2745411405 is about 52396.6736062510. The cubic root of 2745411405 is about 1400.2399937209.

Adding to 2745411405 its reverse (5041145472), we get a palindrome (7786556877).

The spelling of 2745411405 in words is "two billion, seven hundred forty-five million, four hundred eleven thousand, four hundred five".

Divisors: 1 3 5 11 15 33 55 165 16638857 49916571 83194285 183027427 249582855 549082281 915137135 2745411405