Search a number
-
+
2205054154 = 21102527077
BaseRepresentation
bin1000001101101110…
…0111010011001010
312200200012100122101
42003123213103022
514003443213104
61002445544014
7105433436212
oct20333472312
95620170571
102205054154
11a31771906
1251657500a
13291ab0c94
1416cbd5242
15cd8b95a4
hex836e74ca

2205054154 has 4 divisors (see below), whose sum is σ = 3307581234. Its totient is φ = 1102527076.

The previous prime is 2205054127. The next prime is 2205054157. The reversal of 2205054154 is 4514505022.

2205054154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4514505022 = 22257252511.

It can be written as a sum of positive squares in only one way, i.e., 1400480929 + 804573225 = 37423^2 + 28365^2 .

It is not an unprimeable number, because it can be changed into a prime (2205054157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551263537 + ... + 551263540.

Almost surely, 22205054154 is an apocalyptic number.

2205054154 is a deficient number, since it is larger than the sum of its proper divisors (1102527080).

2205054154 is a wasteful number, since it uses less digits than its factorization.

2205054154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102527079.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2205054154 is about 46958.0041526469. The cubic root of 2205054154 is about 1301.5866532305.

Adding to 2205054154 its reverse (4514505022), we get a palindrome (6719559176).

The spelling of 2205054154 in words is "two billion, two hundred five million, fifty-four thousand, one hundred fifty-four".

Divisors: 1 2 1102527077 2205054154