Search a number
-
+
2205554545 = 52915210721
BaseRepresentation
bin1000001101110110…
…0001011101110001
312200201010210001101
42003131201131301
514004110221140
61002504404401
7105440622115
oct20335413561
95621123041
102205554545
11a31a83857
12516776701
13291c2797c
1416ccc5745
15cd96799a
hex83761771

2205554545 has 8 divisors (see below), whose sum is σ = 2737929960. Its totient is φ = 1703600640.

The previous prime is 2205554537. The next prime is 2205554569. The reversal of 2205554545 is 5454555022.

2205554545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 219024 + 2205335521 = 468^2 + 46961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2205554545 - 23 = 2205554537 is a prime.

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, 7605216 + ... + 7605505.

It is an arithmetic number, because the mean of its divisors is an integer number (342241245).

Almost surely, 22205554545 is an apocalyptic number.

It is an amenable number.

2205554545 is a deficient number, since it is larger than the sum of its proper divisors (532375415).

2205554545 is a wasteful number, since it uses less digits than its factorization.

2205554545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15210755.

The product of its (nonzero) digits is 200000, while the sum is 37.

The square root of 2205554545 is about 46963.3319197009. The cubic root of 2205554545 is about 1301.6851017554.

The spelling of 2205554545 in words is "two billion, two hundred five million, five hundred fifty-four thousand, five hundred forty-five".

Divisors: 1 5 29 145 15210721 76053605 441110909 2205554545