Search a number
-
+
1473806745 = 3453639029
BaseRepresentation
bin101011111011000…
…1000000110011001
310210201020010210000
41113312020012121
511004243303440
6402124443213
751344102445
oct12766100631
93721203700
101473806745
11696a1a904
123516a9509
131a6450bc8
14dda45825
15895c3730
hex57d88199

1473806745 has 20 divisors (see below), whose sum is σ = 2641935780. Its totient is φ = 786030048.

The previous prime is 1473806707. The next prime is 1473806749. The reversal of 1473806745 is 5476083741.

1473806745 is a `hidden beast` number, since 1 + 473 + 80 + 67 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 916091289 + 557715456 = 30267^2 + 23616^2 .

It is not a de Polignac number, because 1473806745 - 27 = 1473806617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1473806745.

It is not an unprimeable number, because it can be changed into a prime (1473806749) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1819110 + ... + 1819919.

It is an arithmetic number, because the mean of its divisors is an integer number (132096789).

Almost surely, 21473806745 is an apocalyptic number.

1473806745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1473806745 is a deficient number, since it is larger than the sum of its proper divisors (1168129035).

1473806745 is an equidigital number, since it uses as much as digits as its factorization.

1473806745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639046 (or 3639037 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 1473806745 is about 38390.1907393021. The cubic root of 1473806745 is about 1138.0120131072.

The spelling of 1473806745 in words is "one billion, four hundred seventy-three million, eight hundred six thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 3639029 10917087 18195145 32751261 54585435 98253783 163756305 294761349 491268915 1473806745